Home / 7,912.44-11,868.66-4,452.12

Finding the Fourth Proportional to 7,912.44, 11,868.66 and 4,452.12

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Solution

The fourth proportional to 7,912.44, 11,868.66 and 4,452.12 is: 6,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.44 : 11,868.66 = 4,452.12 : x
  2. Step 2: Convert to fraction form
    7,912.44/11,868.66 = 4,452.12/x
  3. Step 3: Cross multiply
    7,912.44x = 11,868.66 × 4,452.12
  4. Step 4: Simplify right side
    7,912.44x = 52,840,698.56
  5. Step 5: Solve for x
    x = 52,840,698.56/7,912.44
  6. Step 6: Final answer
    x = 6,678.18

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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.