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Finding the Fourth Proportional to 8,560.80, 11,807.10 and 6,337.35

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Solution

The fourth proportional to 8,560.80, 11,807.10 and 6,337.35 is: 8,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.80 : 11,807.10 = 6,337.35 : x
  2. Step 2: Convert to fraction form
    8,560.80/11,807.10 = 6,337.35/x
  3. Step 3: Cross multiply
    8,560.80x = 11,807.10 × 6,337.35
  4. Step 4: Simplify right side
    8,560.80x = 74,825,725.19
  5. Step 5: Solve for x
    x = 74,825,725.19/8,560.80
  6. Step 6: Final answer
    x = 8,740.51

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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.