Home / 6,183.28-9,264.12-5,149.90

Finding the Fourth Proportional to 6,183.28, 9,264.12 and 5,149.90

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Solution

The fourth proportional to 6,183.28, 9,264.12 and 5,149.90 is: 7,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,183.28 : 9,264.12 = 5,149.90 : x
  2. Step 2: Convert to fraction form
    6,183.28/9,264.12 = 5,149.90/x
  3. Step 3: Cross multiply
    6,183.28x = 9,264.12 × 5,149.90
  4. Step 4: Simplify right side
    6,183.28x = 47,709,291.59
  5. Step 5: Solve for x
    x = 47,709,291.59/6,183.28
  6. Step 6: Final answer
    x = 7,715.85

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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.