Home / 11,758.28-17,637.83-3,860.97

Finding the Fourth Proportional to 11,758.28, 17,637.83 and 3,860.97

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Solution

The fourth proportional to 11,758.28, 17,637.83 and 3,860.97 is: 5,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.28 : 17,637.83 = 3,860.97 : x
  2. Step 2: Convert to fraction form
    11,758.28/17,637.83 = 3,860.97/x
  3. Step 3: Cross multiply
    11,758.28x = 17,637.83 × 3,860.97
  4. Step 4: Simplify right side
    11,758.28x = 68,099,113.19
  5. Step 5: Solve for x
    x = 68,099,113.19/11,758.28
  6. Step 6: Final answer
    x = 5,791.59

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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.