Home / 9,881.44-14,819.16-5,198.86

Finding the Fourth Proportional to 9,881.44, 14,819.16 and 5,198.86

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Solution

The fourth proportional to 9,881.44, 14,819.16 and 5,198.86 is: 7,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.44 : 14,819.16 = 5,198.86 : x
  2. Step 2: Convert to fraction form
    9,881.44/14,819.16 = 5,198.86/x
  3. Step 3: Cross multiply
    9,881.44x = 14,819.16 × 5,198.86
  4. Step 4: Simplify right side
    9,881.44x = 77,042,738.16
  5. Step 5: Solve for x
    x = 77,042,738.16/9,881.44
  6. Step 6: Final answer
    x = 7,796.72

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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.