Question

4 esta para 12 e x esta para 14,qual o valor de x

Answer 1

Resposta:

$\dfrac{4}{12}=\dfrac{x}{14}\\ \\ multiplica~~cruzado\\ \\ 12x=4.(14)\\ \\ 12x=56\\ \\ x=\dfrac{56}{12}\\ \\ simplificando\\ \\ x=\dfrac{56:4}{12:4}\\ \\ \\\boxed{ x=\dfrac{14}{3}}$