Home / 10,761.06-16,142.20-3,835.56

Finding the Fourth Proportional to 10,761.06, 16,142.20 and 3,835.56

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Solution

The fourth proportional to 10,761.06, 16,142.20 and 3,835.56 is: 5,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.06 : 16,142.20 = 3,835.56 : x
  2. Step 2: Convert to fraction form
    10,761.06/16,142.20 = 3,835.56/x
  3. Step 3: Cross multiply
    10,761.06x = 16,142.20 × 3,835.56
  4. Step 4: Simplify right side
    10,761.06x = 61,914,376.63
  5. Step 5: Solve for x
    x = 61,914,376.63/10,761.06
  6. Step 6: Final answer
    x = 5,753.56

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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.