Home / 11,243.13-16,861.82-3,343.60

Finding the Fourth Proportional to 11,243.13, 16,861.82 and 3,343.60

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Solution

The fourth proportional to 11,243.13, 16,861.82 and 3,343.60 is: 5,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.13 : 16,861.82 = 3,343.60 : x
  2. Step 2: Convert to fraction form
    11,243.13/16,861.82 = 3,343.60/x
  3. Step 3: Cross multiply
    11,243.13x = 16,861.82 × 3,343.60
  4. Step 4: Simplify right side
    11,243.13x = 56,379,251.94
  5. Step 5: Solve for x
    x = 56,379,251.94/11,243.13
  6. Step 6: Final answer
    x = 5,014.55

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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.