Home / 12,472.16-18,711.32-3,707.08

Finding the Fourth Proportional to 12,472.16, 18,711.32 and 3,707.08

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Solution

The fourth proportional to 12,472.16, 18,711.32 and 3,707.08 is: 5,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.16 : 18,711.32 = 3,707.08 : x
  2. Step 2: Convert to fraction form
    12,472.16/18,711.32 = 3,707.08/x
  3. Step 3: Cross multiply
    12,472.16x = 18,711.32 × 3,707.08
  4. Step 4: Simplify right side
    12,472.16x = 69,364,308.73
  5. Step 5: Solve for x
    x = 69,364,308.73/12,472.16
  6. Step 6: Final answer
    x = 5,561.53

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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.