Home / 10,829.90-16,245.77-3,432.38

Finding the Fourth Proportional to 10,829.90, 16,245.77 and 3,432.38

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Solution

The fourth proportional to 10,829.90, 16,245.77 and 3,432.38 is: 5,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.90 : 16,245.77 = 3,432.38 : x
  2. Step 2: Convert to fraction form
    10,829.90/16,245.77 = 3,432.38/x
  3. Step 3: Cross multiply
    10,829.90x = 16,245.77 × 3,432.38
  4. Step 4: Simplify right side
    10,829.90x = 55,761,557.64
  5. Step 5: Solve for x
    x = 55,761,557.64/10,829.90
  6. Step 6: Final answer
    x = 5,148.85

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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.