Home / 10,247.85-15,372.09-4,007.61

Finding the Fourth Proportional to 10,247.85, 15,372.09 and 4,007.61

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Solution

The fourth proportional to 10,247.85, 15,372.09 and 4,007.61 is: 6,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.85 : 15,372.09 = 4,007.61 : x
  2. Step 2: Convert to fraction form
    10,247.85/15,372.09 = 4,007.61/x
  3. Step 3: Cross multiply
    10,247.85x = 15,372.09 × 4,007.61
  4. Step 4: Simplify right side
    10,247.85x = 61,605,341.60
  5. Step 5: Solve for x
    x = 61,605,341.60/10,247.85
  6. Step 6: Final answer
    x = 6,011.54

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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.