Home / 9,787.28-14,677.15-3,545.44

Finding the Fourth Proportional to 9,787.28, 14,677.15 and 3,545.44

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Solution

The fourth proportional to 9,787.28, 14,677.15 and 3,545.44 is: 5,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.28 : 14,677.15 = 3,545.44 : x
  2. Step 2: Convert to fraction form
    9,787.28/14,677.15 = 3,545.44/x
  3. Step 3: Cross multiply
    9,787.28x = 14,677.15 × 3,545.44
  4. Step 4: Simplify right side
    9,787.28x = 52,036,954.70
  5. Step 5: Solve for x
    x = 52,036,954.70/9,787.28
  6. Step 6: Final answer
    x = 5,316.79

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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.