Home / 10,987.76-16,481.47-2,667.85

Finding the Fourth Proportional to 10,987.76, 16,481.47 and 2,667.85

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Solution

The fourth proportional to 10,987.76, 16,481.47 and 2,667.85 is: 4,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.76 : 16,481.47 = 2,667.85 : x
  2. Step 2: Convert to fraction form
    10,987.76/16,481.47 = 2,667.85/x
  3. Step 3: Cross multiply
    10,987.76x = 16,481.47 × 2,667.85
  4. Step 4: Simplify right side
    10,987.76x = 43,970,089.74
  5. Step 5: Solve for x
    x = 43,970,089.74/10,987.76
  6. Step 6: Final answer
    x = 4,001.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.