Home / 12,472.13-18,711.27-3,707.00

Finding the Fourth Proportional to 12,472.13, 18,711.27 and 3,707.00

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Solution

The fourth proportional to 12,472.13, 18,711.27 and 3,707.00 is: 5,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.13 : 18,711.27 = 3,707.00 : x
  2. Step 2: Convert to fraction form
    12,472.13/18,711.27 = 3,707.00/x
  3. Step 3: Cross multiply
    12,472.13x = 18,711.27 × 3,707.00
  4. Step 4: Simplify right side
    12,472.13x = 69,362,724.67
  5. Step 5: Solve for x
    x = 69,362,724.67/12,472.13
  6. Step 6: Final answer
    x = 5,561.42

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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.