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Finding the Fourth Proportional to 8,772.57, 12,108.29 and 5,793.39

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Solution

The fourth proportional to 8,772.57, 12,108.29 and 5,793.39 is: 7,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.57 : 12,108.29 = 5,793.39 : x
  2. Step 2: Convert to fraction form
    8,772.57/12,108.29 = 5,793.39/x
  3. Step 3: Cross multiply
    8,772.57x = 12,108.29 × 5,793.39
  4. Step 4: Simplify right side
    8,772.57x = 70,148,017.24
  5. Step 5: Solve for x
    x = 70,148,017.24/8,772.57
  6. Step 6: Final answer
    x = 7,996.29

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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.