Home / 10,976.10-16,464.15-3,183.90

Finding the Fourth Proportional to 10,976.10, 16,464.15 and 3,183.90

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Solution

The fourth proportional to 10,976.10, 16,464.15 and 3,183.90 is: 4,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.10 : 16,464.15 = 3,183.90 : x
  2. Step 2: Convert to fraction form
    10,976.10/16,464.15 = 3,183.90/x
  3. Step 3: Cross multiply
    10,976.10x = 16,464.15 × 3,183.90
  4. Step 4: Simplify right side
    10,976.10x = 52,420,207.19
  5. Step 5: Solve for x
    x = 52,420,207.19/10,976.10
  6. Step 6: Final answer
    x = 4,775.85

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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.