Finding the Fourth Proportional to 7,585.08, 11,313.09 and 7,453.80
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Solution
The fourth proportional to 7,585.08, 11,313.09 and 7,453.80 is: 11,117.29
Step by Step Solution
- Step 1: Write the proportion equation
7,585.08 : 11,313.09 = 7,453.80 : x - Step 2: Convert to fraction form
7,585.08/11,313.09 = 7,453.80/x - Step 3: Cross multiply
7,585.08x = 11,313.09 × 7,453.80 - Step 4: Simplify right side
7,585.08x = 84,325,510.24 - Step 5: Solve for x
x = 84,325,510.24/7,585.08 - Step 6: Final answer
x = 11,117.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.