Home / 11,122.19-15,348.17-6,648.41

Finding the Fourth Proportional to 11,122.19, 15,348.17 and 6,648.41

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Solution

The fourth proportional to 11,122.19, 15,348.17 and 6,648.41 is: 9,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.19 : 15,348.17 = 6,648.41 : x
  2. Step 2: Convert to fraction form
    11,122.19/15,348.17 = 6,648.41/x
  3. Step 3: Cross multiply
    11,122.19x = 15,348.17 × 6,648.41
  4. Step 4: Simplify right side
    11,122.19x = 102,040,926.91
  5. Step 5: Solve for x
    x = 102,040,926.91/11,122.19
  6. Step 6: Final answer
    x = 9,174.54

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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.