Home / 11,255.92-16,879.02-3,861.10

Finding the Fourth Proportional to 11,255.92, 16,879.02 and 3,861.10

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Solution

The fourth proportional to 11,255.92, 16,879.02 and 3,861.10 is: 5,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.92 : 16,879.02 = 3,861.10 : x
  2. Step 2: Convert to fraction form
    11,255.92/16,879.02 = 3,861.10/x
  3. Step 3: Cross multiply
    11,255.92x = 16,879.02 × 3,861.10
  4. Step 4: Simplify right side
    11,255.92x = 65,171,584.12
  5. Step 5: Solve for x
    x = 65,171,584.12/11,255.92
  6. Step 6: Final answer
    x = 5,789.98

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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.