Finding the Fourth Proportional to 7,652.10, 11,489.76 and 7,276.26
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Solution
The fourth proportional to 7,652.10, 11,489.76 and 7,276.26 is: 10,925.43
Step by Step Solution
- Step 1: Write the proportion equation
7,652.10 : 11,489.76 = 7,276.26 : x - Step 2: Convert to fraction form
7,652.10/11,489.76 = 7,276.26/x - Step 3: Cross multiply
7,652.10x = 11,489.76 × 7,276.26 - Step 4: Simplify right side
7,652.10x = 83,602,481.10 - Step 5: Solve for x
x = 83,602,481.10/7,652.10 - Step 6: Final answer
x = 10,925.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.