Home / 7,432.88-11,143.56-3,326

Finding the Fourth Proportional to 7,432.88, 11,143.56 and 3,326

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Solution

The fourth proportional to 7,432.88, 11,143.56 and 3,326 is: 4,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.88 : 11,143.56 = 3,326 : x
  2. Step 2: Convert to fraction form
    7,432.88/11,143.56 = 3,326/x
  3. Step 3: Cross multiply
    7,432.88x = 11,143.56 × 3,326
  4. Step 4: Simplify right side
    7,432.88x = 37,063,480.56
  5. Step 5: Solve for x
    x = 37,063,480.56/7,432.88
  6. Step 6: Final answer
    x = 4,986.42

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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.