Home / 12,392.76-18,591.42-4,073.24

Finding the Fourth Proportional to 12,392.76, 18,591.42 and 4,073.24

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Solution

The fourth proportional to 12,392.76, 18,591.42 and 4,073.24 is: 6,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.76 : 18,591.42 = 4,073.24 : x
  2. Step 2: Convert to fraction form
    12,392.76/18,591.42 = 4,073.24/x
  3. Step 3: Cross multiply
    12,392.76x = 18,591.42 × 4,073.24
  4. Step 4: Simplify right side
    12,392.76x = 75,727,315.60
  5. Step 5: Solve for x
    x = 75,727,315.60/12,392.76
  6. Step 6: Final answer
    x = 6,110.61

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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.