Home / 12,183.42-18,267.12-10,517.46

Finding the Fourth Proportional to 12,183.42, 18,267.12 and 10,517.46

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Solution

The fourth proportional to 12,183.42, 18,267.12 and 10,517.46 is: 15,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.42 : 18,267.12 = 10,517.46 : x
  2. Step 2: Convert to fraction form
    12,183.42/18,267.12 = 10,517.46/x
  3. Step 3: Cross multiply
    12,183.42x = 18,267.12 × 10,517.46
  4. Step 4: Simplify right side
    12,183.42x = 192,123,703.92
  5. Step 5: Solve for x
    x = 192,123,703.92/12,183.42
  6. Step 6: Final answer
    x = 15,769.28

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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.