Home / 11,229.21-16,844.94-5,679.09

Finding the Fourth Proportional to 11,229.21, 16,844.94 and 5,679.09

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Solution

The fourth proportional to 11,229.21, 16,844.94 and 5,679.09 is: 8,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.21 : 16,844.94 = 5,679.09 : x
  2. Step 2: Convert to fraction form
    11,229.21/16,844.94 = 5,679.09/x
  3. Step 3: Cross multiply
    11,229.21x = 16,844.94 × 5,679.09
  4. Step 4: Simplify right side
    11,229.21x = 95,663,930.30
  5. Step 5: Solve for x
    x = 95,663,930.30/11,229.21
  6. Step 6: Final answer
    x = 8,519.20

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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.