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Finding the Fourth Proportional to 11,076.80, 15,254.88 and 10,834.88

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Solution

The fourth proportional to 11,076.80, 15,254.88 and 10,834.88 is: 14,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.80 : 15,254.88 = 10,834.88 : x
  2. Step 2: Convert to fraction form
    11,076.80/15,254.88 = 10,834.88/x
  3. Step 3: Cross multiply
    11,076.80x = 15,254.88 × 10,834.88
  4. Step 4: Simplify right side
    11,076.80x = 165,284,794.21
  5. Step 5: Solve for x
    x = 165,284,794.21/11,076.80
  6. Step 6: Final answer
    x = 14,921.71

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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.