\frac { 9 } { 12 } = \frac { 7,5 } { x }
Solve for x
x=10
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x\times 9=12\times 7,5
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 12x, the least common multiple of 12;x.
x\times 9=90
Multiply 12 and 7,5 to get 90.
x=\frac{90}{9}
Divide both sides by 9.
x=10
Divide 90 by 9 to get 10.
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