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Finding the Fourth Proportional to 9,134.68, 13,714.98 and 8,717.08

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Solution

The fourth proportional to 9,134.68, 13,714.98 and 8,717.08 is: 13,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.68 : 13,714.98 = 8,717.08 : x
  2. Step 2: Convert to fraction form
    9,134.68/13,714.98 = 8,717.08/x
  3. Step 3: Cross multiply
    9,134.68x = 13,714.98 × 8,717.08
  4. Step 4: Simplify right side
    9,134.68x = 119,554,577.86
  5. Step 5: Solve for x
    x = 119,554,577.86/9,134.68
  6. Step 6: Final answer
    x = 13,087.99

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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.