Home / 11,819.90-17,728.17-4,704.14

Finding the Fourth Proportional to 11,819.90, 17,728.17 and 4,704.14

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Solution

The fourth proportional to 11,819.90, 17,728.17 and 4,704.14 is: 7,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.90 : 17,728.17 = 4,704.14 : x
  2. Step 2: Convert to fraction form
    11,819.90/17,728.17 = 4,704.14/x
  3. Step 3: Cross multiply
    11,819.90x = 17,728.17 × 4,704.14
  4. Step 4: Simplify right side
    11,819.90x = 83,395,793.62
  5. Step 5: Solve for x
    x = 83,395,793.62/11,819.90
  6. Step 6: Final answer
    x = 7,055.54

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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.