Home / 10,198.44-15,302.52-3,627.72

Finding the Fourth Proportional to 10,198.44, 15,302.52 and 3,627.72

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Solution

The fourth proportional to 10,198.44, 15,302.52 and 3,627.72 is: 5,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.44 : 15,302.52 = 3,627.72 : x
  2. Step 2: Convert to fraction form
    10,198.44/15,302.52 = 3,627.72/x
  3. Step 3: Cross multiply
    10,198.44x = 15,302.52 × 3,627.72
  4. Step 4: Simplify right side
    10,198.44x = 55,513,257.85
  5. Step 5: Solve for x
    x = 55,513,257.85/10,198.44
  6. Step 6: Final answer
    x = 5,443.31

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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.