9 : 12 = n : 36
You asked:
Solve \(9 : 12=n : 36\) for the variable \(n\).
MathBot Answer:
$$\begin{aligned}n &= 27\end{aligned}$$
Express both ratios as fractions. \[\frac{9}{12} = \frac{n}{36}\]
Cross-multiply and solve for the unknown. $$\begin{aligned}\frac{9}{12} &= \frac{n}{36} \\ 324 &= 12 n \\ n &&= 27 \end{aligned}$$