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Finding the Fourth Proportional to 8,645.92, 12,953.68 and 6,167.92

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Solution

The fourth proportional to 8,645.92, 12,953.68 and 6,167.92 is: 9,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.92 : 12,953.68 = 6,167.92 : x
  2. Step 2: Convert to fraction form
    8,645.92/12,953.68 = 6,167.92/x
  3. Step 3: Cross multiply
    8,645.92x = 12,953.68 × 6,167.92
  4. Step 4: Simplify right side
    8,645.92x = 79,897,261.95
  5. Step 5: Solve for x
    x = 79,897,261.95/8,645.92
  6. Step 6: Final answer
    x = 9,241.04

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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.