Home / 10,430.46-15,651.78-3,861.24

Finding the Fourth Proportional to 10,430.46, 15,651.78 and 3,861.24

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Solution

The fourth proportional to 10,430.46, 15,651.78 and 3,861.24 is: 5,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.46 : 15,651.78 = 3,861.24 : x
  2. Step 2: Convert to fraction form
    10,430.46/15,651.78 = 3,861.24/x
  3. Step 3: Cross multiply
    10,430.46x = 15,651.78 × 3,861.24
  4. Step 4: Simplify right side
    10,430.46x = 60,435,279.01
  5. Step 5: Solve for x
    x = 60,435,279.01/10,430.46
  6. Step 6: Final answer
    x = 5,794.11

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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.