Home / 7,408.27-11,112.42-2,967.94

Finding the Fourth Proportional to 7,408.27, 11,112.42 and 2,967.94

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Solution

The fourth proportional to 7,408.27, 11,112.42 and 2,967.94 is: 4,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.27 : 11,112.42 = 2,967.94 : x
  2. Step 2: Convert to fraction form
    7,408.27/11,112.42 = 2,967.94/x
  3. Step 3: Cross multiply
    7,408.27x = 11,112.42 × 2,967.94
  4. Step 4: Simplify right side
    7,408.27x = 32,981,020.84
  5. Step 5: Solve for x
    x = 32,981,020.84/7,408.27
  6. Step 6: Final answer
    x = 4,451.92

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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.