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Finding the Fourth Proportional to 10,873.17, 15,002.82 and 6,397.11

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Solution

The fourth proportional to 10,873.17, 15,002.82 and 6,397.11 is: 8,826.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.17 : 15,002.82 = 6,397.11 : x
  2. Step 2: Convert to fraction form
    10,873.17/15,002.82 = 6,397.11/x
  3. Step 3: Cross multiply
    10,873.17x = 15,002.82 × 6,397.11
  4. Step 4: Simplify right side
    10,873.17x = 95,974,689.85
  5. Step 5: Solve for x
    x = 95,974,689.85/10,873.17
  6. Step 6: Final answer
    x = 8,826.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.