Home / 11,026.20-16,515.54-5,174.04

Finding the Fourth Proportional to 11,026.20, 16,515.54 and 5,174.04

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Solution

The fourth proportional to 11,026.20, 16,515.54 and 5,174.04 is: 7,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.20 : 16,515.54 = 5,174.04 : x
  2. Step 2: Convert to fraction form
    11,026.20/16,515.54 = 5,174.04/x
  3. Step 3: Cross multiply
    11,026.20x = 16,515.54 × 5,174.04
  4. Step 4: Simplify right side
    11,026.20x = 85,452,064.58
  5. Step 5: Solve for x
    x = 85,452,064.58/11,026.20
  6. Step 6: Final answer
    x = 7,749.91

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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.