Home / 8,945.52-13,419.20-2,371.71

Finding the Fourth Proportional to 8,945.52, 13,419.20 and 2,371.71

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Solution

The fourth proportional to 8,945.52, 13,419.20 and 2,371.71 is: 3,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.52 : 13,419.20 = 2,371.71 : x
  2. Step 2: Convert to fraction form
    8,945.52/13,419.20 = 2,371.71/x
  3. Step 3: Cross multiply
    8,945.52x = 13,419.20 × 2,371.71
  4. Step 4: Simplify right side
    8,945.52x = 31,826,371.88
  5. Step 5: Solve for x
    x = 31,826,371.88/8,945.52
  6. Step 6: Final answer
    x = 3,557.80

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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.