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Finding the Fourth Proportional to 8,793.38, 12,134.87 and 4,814.74

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Solution

The fourth proportional to 8,793.38, 12,134.87 and 4,814.74 is: 6,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.38 : 12,134.87 = 4,814.74 : x
  2. Step 2: Convert to fraction form
    8,793.38/12,134.87 = 4,814.74/x
  3. Step 3: Cross multiply
    8,793.38x = 12,134.87 × 4,814.74
  4. Step 4: Simplify right side
    8,793.38x = 58,426,253.13
  5. Step 5: Solve for x
    x = 58,426,253.13/8,793.38
  6. Step 6: Final answer
    x = 6,644.34

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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.