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Finding the Fourth Proportional to 8,493.87, 12,734.13 and 5,367.30

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Solution

The fourth proportional to 8,493.87, 12,734.13 and 5,367.30 is: 8,046.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.87 : 12,734.13 = 5,367.30 : x
  2. Step 2: Convert to fraction form
    8,493.87/12,734.13 = 5,367.30/x
  3. Step 3: Cross multiply
    8,493.87x = 12,734.13 × 5,367.30
  4. Step 4: Simplify right side
    8,493.87x = 68,347,895.95
  5. Step 5: Solve for x
    x = 68,347,895.95/8,493.87
  6. Step 6: Final answer
    x = 8,046.73

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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.