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Finding the Fourth Proportional to 8,340.54, 12,510.84 and 6,773.13

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Solution

The fourth proportional to 8,340.54, 12,510.84 and 6,773.13 is: 10,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.54 : 12,510.84 = 6,773.13 : x
  2. Step 2: Convert to fraction form
    8,340.54/12,510.84 = 6,773.13/x
  3. Step 3: Cross multiply
    8,340.54x = 12,510.84 × 6,773.13
  4. Step 4: Simplify right side
    8,340.54x = 84,737,545.73
  5. Step 5: Solve for x
    x = 84,737,545.73/8,340.54
  6. Step 6: Final answer
    x = 10,159.72

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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.