Home / 11,848.97-17,775.21-3,948.91

Finding the Fourth Proportional to 11,848.97, 17,775.21 and 3,948.91

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Solution

The fourth proportional to 11,848.97, 17,775.21 and 3,948.91 is: 5,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.97 : 17,775.21 = 3,948.91 : x
  2. Step 2: Convert to fraction form
    11,848.97/17,775.21 = 3,948.91/x
  3. Step 3: Cross multiply
    11,848.97x = 17,775.21 × 3,948.91
  4. Step 4: Simplify right side
    11,848.97x = 70,192,704.52
  5. Step 5: Solve for x
    x = 70,192,704.52/11,848.97
  6. Step 6: Final answer
    x = 5,923.95

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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.