Home / 8,356.26-11,531.97-4,819.80

Finding the Fourth Proportional to 8,356.26, 11,531.97 and 4,819.80

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Solution

The fourth proportional to 8,356.26, 11,531.97 and 4,819.80 is: 6,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.26 : 11,531.97 = 4,819.80 : x
  2. Step 2: Convert to fraction form
    8,356.26/11,531.97 = 4,819.80/x
  3. Step 3: Cross multiply
    8,356.26x = 11,531.97 × 4,819.80
  4. Step 4: Simplify right side
    8,356.26x = 55,581,789.01
  5. Step 5: Solve for x
    x = 55,581,789.01/8,356.26
  6. Step 6: Final answer
    x = 6,651.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.