Question

If 9:x = x:4, then x is 6.

Answer 1

that's not a question...

Answer 2

yes, is it true or false?

Answer 3

well in actual fact there are 2 solutions

cross multiplying gives

\[x^2 = 36~~~so~~~ x = \pm 6\]

Answer 4

true

Answer 5

thanks!

Answer 6

1:2 = 4:8

The product of both the means and the extremes is?