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Finding the Fourth Proportional to 8,793.64, 12,135.19 and 4,814.73

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Solution

The fourth proportional to 8,793.64, 12,135.19 and 4,814.73 is: 6,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.64 : 12,135.19 = 4,814.73 : x
  2. Step 2: Convert to fraction form
    8,793.64/12,135.19 = 4,814.73/x
  3. Step 3: Cross multiply
    8,793.64x = 12,135.19 × 4,814.73
  4. Step 4: Simplify right side
    8,793.64x = 58,427,663.35
  5. Step 5: Solve for x
    x = 58,427,663.35/8,793.64
  6. Step 6: Final answer
    x = 6,644.31

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Double scale
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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.