Home / 11,290.56-16,932.25-10,553.47

Finding the Fourth Proportional to 11,290.56, 16,932.25 and 10,553.47

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Solution

The fourth proportional to 11,290.56, 16,932.25 and 10,553.47 is: 15,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.56 : 16,932.25 = 10,553.47 : x
  2. Step 2: Convert to fraction form
    11,290.56/16,932.25 = 10,553.47/x
  3. Step 3: Cross multiply
    11,290.56x = 16,932.25 × 10,553.47
  4. Step 4: Simplify right side
    11,290.56x = 178,693,921.08
  5. Step 5: Solve for x
    x = 178,693,921.08/11,290.56
  6. Step 6: Final answer
    x = 15,826.85

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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.