Home / 10,765.38-16,147.94-3,745.26

Finding the Fourth Proportional to 10,765.38, 16,147.94 and 3,745.26

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Solution

The fourth proportional to 10,765.38, 16,147.94 and 3,745.26 is: 5,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.38 : 16,147.94 = 3,745.26 : x
  2. Step 2: Convert to fraction form
    10,765.38/16,147.94 = 3,745.26/x
  3. Step 3: Cross multiply
    10,765.38x = 16,147.94 × 3,745.26
  4. Step 4: Simplify right side
    10,765.38x = 60,478,215.04
  5. Step 5: Solve for x
    x = 60,478,215.04/10,765.38
  6. Step 6: Final answer
    x = 5,617.84

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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.