Home / 11,860.47-17,788.68-3,962.43

Finding the Fourth Proportional to 11,860.47, 17,788.68 and 3,962.43

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Solution

The fourth proportional to 11,860.47, 17,788.68 and 3,962.43 is: 5,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.47 : 17,788.68 = 3,962.43 : x
  2. Step 2: Convert to fraction form
    11,860.47/17,788.68 = 3,962.43/x
  3. Step 3: Cross multiply
    11,860.47x = 17,788.68 × 3,962.43
  4. Step 4: Simplify right side
    11,860.47x = 70,486,399.29
  5. Step 5: Solve for x
    x = 70,486,399.29/11,860.47
  6. Step 6: Final answer
    x = 5,942.97

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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.