How do you solve a proportion

I have to solve for x.

9/x
=
5
_____
11/15

(9 over x equals 5 over 11/15).

If someone can explain in steps how to solve for X
I will choose best answer so you can have ten points.

Ok, let's take it slowly.
You've got 9/x=5/(11/15)
Let's take the 5/(11/15) first. You can write it as 5*(15/11) (that comes from the properties of proportionals), and, in conclusion, as 15*5/11
Going back to our equation, we have 9/x=15*5/11. you multiply it by 11*x (the two numerators), and you will have:
9*11=15*5x (which is equivalent to) x=(9*11)/(15*5) , and to make it prettier, x=33/25
There you go, I hope I helped :)

You've got 9/x=5/(11/15)
Let's take the 5/(11/15) first. You can write it as 5*(15/11) (that comes from the properties of proportionals), and, in conclusion, as 15*5/11
Going back to our equation, we have 9/x=15*5/11. you multiply it by 11*x (the two numerators), and you will have:
9*11=15*5x (which is equivalent to) x=(9*11)/(15*5) , and to make it prettier, x=33/25

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