Home / 12,472.48-18,711.79-3,707.39

Finding the Fourth Proportional to 12,472.48, 18,711.79 and 3,707.39

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Solution

The fourth proportional to 12,472.48, 18,711.79 and 3,707.39 is: 5,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.48 : 18,711.79 = 3,707.39 : x
  2. Step 2: Convert to fraction form
    12,472.48/18,711.79 = 3,707.39/x
  3. Step 3: Cross multiply
    12,472.48x = 18,711.79 × 3,707.39
  4. Step 4: Simplify right side
    12,472.48x = 69,371,903.13
  5. Step 5: Solve for x
    x = 69,371,903.13/12,472.48
  6. Step 6: Final answer
    x = 5,562.00

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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.