Home / 12,472.24-18,711.46-3,707.15

Finding the Fourth Proportional to 12,472.24, 18,711.46 and 3,707.15

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Solution

The fourth proportional to 12,472.24, 18,711.46 and 3,707.15 is: 5,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.24 : 18,711.46 = 3,707.15 : x
  2. Step 2: Convert to fraction form
    12,472.24/18,711.46 = 3,707.15/x
  3. Step 3: Cross multiply
    12,472.24x = 18,711.46 × 3,707.15
  4. Step 4: Simplify right side
    12,472.24x = 69,366,076.85
  5. Step 5: Solve for x
    x = 69,366,076.85/12,472.24
  6. Step 6: Final answer
    x = 5,561.64

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1.5x scale

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.