Home / 7,972.38-11,942.10-4,675.55

Finding the Fourth Proportional to 7,972.38, 11,942.10 and 4,675.55

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Solution

The fourth proportional to 7,972.38, 11,942.10 and 4,675.55 is: 7,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.38 : 11,942.10 = 4,675.55 : x
  2. Step 2: Convert to fraction form
    7,972.38/11,942.10 = 4,675.55/x
  3. Step 3: Cross multiply
    7,972.38x = 11,942.10 × 4,675.55
  4. Step 4: Simplify right side
    7,972.38x = 55,835,825.94
  5. Step 5: Solve for x
    x = 55,835,825.94/7,972.38
  6. Step 6: Final answer
    x = 7,003.66

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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.