Home / 10,829.74-16,234.88-3,899.38

Finding the Fourth Proportional to 10,829.74, 16,234.88 and 3,899.38

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Solution

The fourth proportional to 10,829.74, 16,234.88 and 3,899.38 is: 5,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.74 : 16,234.88 = 3,899.38 : x
  2. Step 2: Convert to fraction form
    10,829.74/16,234.88 = 3,899.38/x
  3. Step 3: Cross multiply
    10,829.74x = 16,234.88 × 3,899.38
  4. Step 4: Simplify right side
    10,829.74x = 63,305,885.20
  5. Step 5: Solve for x
    x = 63,305,885.20/10,829.74
  6. Step 6: Final answer
    x = 5,845.56

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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.