Home / 12,202.20-16,839.26-7,484.76

Finding the Fourth Proportional to 12,202.20, 16,839.26 and 7,484.76

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Solution

The fourth proportional to 12,202.20, 16,839.26 and 7,484.76 is: 10,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.20 : 16,839.26 = 7,484.76 : x
  2. Step 2: Convert to fraction form
    12,202.20/16,839.26 = 7,484.76/x
  3. Step 3: Cross multiply
    12,202.20x = 16,839.26 × 7,484.76
  4. Step 4: Simplify right side
    12,202.20x = 126,037,819.68
  5. Step 5: Solve for x
    x = 126,037,819.68/12,202.20
  6. Step 6: Final answer
    x = 10,329.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.