Home / 11,863.26-17,789.76-4,072.68

Finding the Fourth Proportional to 11,863.26, 17,789.76 and 4,072.68

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Solution

The fourth proportional to 11,863.26, 17,789.76 and 4,072.68 is: 6,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.26 : 17,789.76 = 4,072.68 : x
  2. Step 2: Convert to fraction form
    11,863.26/17,789.76 = 4,072.68/x
  3. Step 3: Cross multiply
    11,863.26x = 17,789.76 × 4,072.68
  4. Step 4: Simplify right side
    11,863.26x = 72,451,999.76
  5. Step 5: Solve for x
    x = 72,451,999.76/11,863.26
  6. Step 6: Final answer
    x = 6,107.26

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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.