Home / 11,077.61-16,610.87-3,679.47

Finding the Fourth Proportional to 11,077.61, 16,610.87 and 3,679.47

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Solution

The fourth proportional to 11,077.61, 16,610.87 and 3,679.47 is: 5,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.61 : 16,610.87 = 3,679.47 : x
  2. Step 2: Convert to fraction form
    11,077.61/16,610.87 = 3,679.47/x
  3. Step 3: Cross multiply
    11,077.61x = 16,610.87 × 3,679.47
  4. Step 4: Simplify right side
    11,077.61x = 61,119,197.84
  5. Step 5: Solve for x
    x = 61,119,197.84/11,077.61
  6. Step 6: Final answer
    x = 5,517.36

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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.