Home / 11,034.20-16,532.10-7,136.60

Finding the Fourth Proportional to 11,034.20, 16,532.10 and 7,136.60

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Solution

The fourth proportional to 11,034.20, 16,532.10 and 7,136.60 is: 10,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.20 : 16,532.10 = 7,136.60 : x
  2. Step 2: Convert to fraction form
    11,034.20/16,532.10 = 7,136.60/x
  3. Step 3: Cross multiply
    11,034.20x = 16,532.10 × 7,136.60
  4. Step 4: Simplify right side
    11,034.20x = 117,982,984.86
  5. Step 5: Solve for x
    x = 117,982,984.86/11,034.20
  6. Step 6: Final answer
    x = 10,692.48

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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.