Home / 11,163.08-16,747.42-7,882.58

Finding the Fourth Proportional to 11,163.08, 16,747.42 and 7,882.58

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Solution

The fourth proportional to 11,163.08, 16,747.42 and 7,882.58 is: 11,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.08 : 16,747.42 = 7,882.58 : x
  2. Step 2: Convert to fraction form
    11,163.08/16,747.42 = 7,882.58/x
  3. Step 3: Cross multiply
    11,163.08x = 16,747.42 × 7,882.58
  4. Step 4: Simplify right side
    11,163.08x = 132,012,877.94
  5. Step 5: Solve for x
    x = 132,012,877.94/11,163.08
  6. Step 6: Final answer
    x = 11,825.85

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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.