Home / 10,447.92-15,673.26-5,517.75

Finding the Fourth Proportional to 10,447.92, 15,673.26 and 5,517.75

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Solution

The fourth proportional to 10,447.92, 15,673.26 and 5,517.75 is: 8,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.92 : 15,673.26 = 5,517.75 : x
  2. Step 2: Convert to fraction form
    10,447.92/15,673.26 = 5,517.75/x
  3. Step 3: Cross multiply
    10,447.92x = 15,673.26 × 5,517.75
  4. Step 4: Simplify right side
    10,447.92x = 86,481,209.83
  5. Step 5: Solve for x
    x = 86,481,209.83/10,447.92
  6. Step 6: Final answer
    x = 8,277.36

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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.