Home / 7,963.75-11,948.15-3,581.59

Finding the Fourth Proportional to 7,963.75, 11,948.15 and 3,581.59

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Solution

The fourth proportional to 7,963.75, 11,948.15 and 3,581.59 is: 5,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.75 : 11,948.15 = 3,581.59 : x
  2. Step 2: Convert to fraction form
    7,963.75/11,948.15 = 3,581.59/x
  3. Step 3: Cross multiply
    7,963.75x = 11,948.15 × 3,581.59
  4. Step 4: Simplify right side
    7,963.75x = 42,793,374.56
  5. Step 5: Solve for x
    x = 42,793,374.56/7,963.75
  6. Step 6: Final answer
    x = 5,373.52

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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.