Home / 10,679.18-16,007.62-3,657.12

Finding the Fourth Proportional to 10,679.18, 16,007.62 and 3,657.12

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Solution

The fourth proportional to 10,679.18, 16,007.62 and 3,657.12 is: 5,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.18 : 16,007.62 = 3,657.12 : x
  2. Step 2: Convert to fraction form
    10,679.18/16,007.62 = 3,657.12/x
  3. Step 3: Cross multiply
    10,679.18x = 16,007.62 × 3,657.12
  4. Step 4: Simplify right side
    10,679.18x = 58,541,787.25
  5. Step 5: Solve for x
    x = 58,541,787.25/10,679.18
  6. Step 6: Final answer
    x = 5,481.86

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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.