Home / 10,363.20-15,544.80-6,207.90

Finding the Fourth Proportional to 10,363.20, 15,544.80 and 6,207.90

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Solution

The fourth proportional to 10,363.20, 15,544.80 and 6,207.90 is: 9,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.20 : 15,544.80 = 6,207.90 : x
  2. Step 2: Convert to fraction form
    10,363.20/15,544.80 = 6,207.90/x
  3. Step 3: Cross multiply
    10,363.20x = 15,544.80 × 6,207.90
  4. Step 4: Simplify right side
    10,363.20x = 96,500,563.92
  5. Step 5: Solve for x
    x = 96,500,563.92/10,363.20
  6. Step 6: Final answer
    x = 9,311.85

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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.