Home / 10,766.25-16,149.36-3,835.89

Finding the Fourth Proportional to 10,766.25, 16,149.36 and 3,835.89

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Solution

The fourth proportional to 10,766.25, 16,149.36 and 3,835.89 is: 5,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.25 : 16,149.36 = 3,835.89 : x
  2. Step 2: Convert to fraction form
    10,766.25/16,149.36 = 3,835.89/x
  3. Step 3: Cross multiply
    10,766.25x = 16,149.36 × 3,835.89
  4. Step 4: Simplify right side
    10,766.25x = 61,947,168.53
  5. Step 5: Solve for x
    x = 61,947,168.53/10,766.25
  6. Step 6: Final answer
    x = 5,753.83

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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.