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Finding the Fourth Proportional to 8,397.32, 12,593.16 and 4,234.68

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Solution

The fourth proportional to 8,397.32, 12,593.16 and 4,234.68 is: 6,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.32 : 12,593.16 = 4,234.68 : x
  2. Step 2: Convert to fraction form
    8,397.32/12,593.16 = 4,234.68/x
  3. Step 3: Cross multiply
    8,397.32x = 12,593.16 × 4,234.68
  4. Step 4: Simplify right side
    8,397.32x = 53,328,002.79
  5. Step 5: Solve for x
    x = 53,328,002.79/8,397.32
  6. Step 6: Final answer
    x = 6,350.60

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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.