Home / 11,380.05-17,076.20-10,965.83

Finding the Fourth Proportional to 11,380.05, 17,076.20 and 10,965.83

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Solution

The fourth proportional to 11,380.05, 17,076.20 and 10,965.83 is: 16,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.05 : 17,076.20 = 10,965.83 : x
  2. Step 2: Convert to fraction form
    11,380.05/17,076.20 = 10,965.83/x
  3. Step 3: Cross multiply
    11,380.05x = 17,076.20 × 10,965.83
  4. Step 4: Simplify right side
    11,380.05x = 187,254,694.11
  5. Step 5: Solve for x
    x = 187,254,694.11/11,380.05
  6. Step 6: Final answer
    x = 16,454.65

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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.