Home / 11,580.96-17,371.44-2,815.88

Finding the Fourth Proportional to 11,580.96, 17,371.44 and 2,815.88

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Solution

The fourth proportional to 11,580.96, 17,371.44 and 2,815.88 is: 4,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.96 : 17,371.44 = 2,815.88 : x
  2. Step 2: Convert to fraction form
    11,580.96/17,371.44 = 2,815.88/x
  3. Step 3: Cross multiply
    11,580.96x = 17,371.44 × 2,815.88
  4. Step 4: Simplify right side
    11,580.96x = 48,915,890.47
  5. Step 5: Solve for x
    x = 48,915,890.47/11,580.96
  6. Step 6: Final answer
    x = 4,223.82

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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.