how much a ratio goes up by

Rufus Holton

New member
Joined
Jan 10, 2020
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2
i have a maths question that i need to answer so i can continue with my project.


if 11 goes to 0.75 (11 : 0.75)

and 22 goes to 1.5 (22 : 1.5)

what would 12 go to?? (12 : ?)
 

MarkFL

Super Moderator
Staff member
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Nov 24, 2012
Messages
2,351
Hello, and welcome to FMH!

It appear the output is \(\displaystyle \frac{3}{44}\) of the input, of:

\(\displaystyle f(x)=\frac{3}{44}x\)

Hence:

\(\displaystyle f(12)=\frac{3}{44}\cdot12=\frac{9}{11}\)
 

Rufus Holton

New member
Joined
Jan 10, 2020
Messages
2
Hello, and welcome to FMH!

It appear the output is \(\displaystyle \frac{3}{44}\) of the input, of:

\(\displaystyle f(x)=\frac{3}{44}x\)

Hence:

\(\displaystyle f(12)=\frac{3}{44}\cdot12=\frac{9}{11}\)
thanks
 

Subhotosh Khan

Super Moderator
Staff member
Joined
Jun 18, 2007
Messages
19,933
i have a maths question that i need to answer so i can continue with my project.


if 11 goes to 0.75 (11 : 0.75)

and 22 goes to 1.5 (22 : 1.5)

what would 12 go to?? (12 : ?)
Another way to get at it:

11/(0.75) = 12/x .......................................(here : is like division)

x = 12* 0.75/11 = 9/11
 
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