Home / 11,942.35-17,912.10-3,622.03

Finding the Fourth Proportional to 11,942.35, 17,912.10 and 3,622.03

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Solution

The fourth proportional to 11,942.35, 17,912.10 and 3,622.03 is: 5,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.35 : 17,912.10 = 3,622.03 : x
  2. Step 2: Convert to fraction form
    11,942.35/17,912.10 = 3,622.03/x
  3. Step 3: Cross multiply
    11,942.35x = 17,912.10 × 3,622.03
  4. Step 4: Simplify right side
    11,942.35x = 64,878,163.56
  5. Step 5: Solve for x
    x = 64,878,163.56/11,942.35
  6. Step 6: Final answer
    x = 5,432.61

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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.