Home / 11,260.76-16,872.70-3,861.24

Finding the Fourth Proportional to 11,260.76, 16,872.70 and 3,861.24

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Solution

The fourth proportional to 11,260.76, 16,872.70 and 3,861.24 is: 5,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.76 : 16,872.70 = 3,861.24 : x
  2. Step 2: Convert to fraction form
    11,260.76/16,872.70 = 3,861.24/x
  3. Step 3: Cross multiply
    11,260.76x = 16,872.70 × 3,861.24
  4. Step 4: Simplify right side
    11,260.76x = 65,149,544.15
  5. Step 5: Solve for x
    x = 65,149,544.15/11,260.76
  6. Step 6: Final answer
    x = 5,785.54

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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.