Home / 10,198.87-14,074.66-5,722.95

Finding the Fourth Proportional to 10,198.87, 14,074.66 and 5,722.95

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Solution

The fourth proportional to 10,198.87, 14,074.66 and 5,722.95 is: 7,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.87 : 14,074.66 = 5,722.95 : x
  2. Step 2: Convert to fraction form
    10,198.87/14,074.66 = 5,722.95/x
  3. Step 3: Cross multiply
    10,198.87x = 14,074.66 × 5,722.95
  4. Step 4: Simplify right side
    10,198.87x = 80,548,575.45
  5. Step 5: Solve for x
    x = 80,548,575.45/10,198.87
  6. Step 6: Final answer
    x = 7,897.79

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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.