Home / 10,745.31-16,115.88-3,349.85

Finding the Fourth Proportional to 10,745.31, 16,115.88 and 3,349.85

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Solution

The fourth proportional to 10,745.31, 16,115.88 and 3,349.85 is: 5,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.31 : 16,115.88 = 3,349.85 : x
  2. Step 2: Convert to fraction form
    10,745.31/16,115.88 = 3,349.85/x
  3. Step 3: Cross multiply
    10,745.31x = 16,115.88 × 3,349.85
  4. Step 4: Simplify right side
    10,745.31x = 53,985,700.04
  5. Step 5: Solve for x
    x = 53,985,700.04/10,745.31
  6. Step 6: Final answer
    x = 5,024.12

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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.