Home / 8,198.26-11,318.28-5,408.62

Finding the Fourth Proportional to 8,198.26, 11,318.28 and 5,408.62

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Solution

The fourth proportional to 8,198.26, 11,318.28 and 5,408.62 is: 7,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.26 : 11,318.28 = 5,408.62 : x
  2. Step 2: Convert to fraction form
    8,198.26/11,318.28 = 5,408.62/x
  3. Step 3: Cross multiply
    8,198.26x = 11,318.28 × 5,408.62
  4. Step 4: Simplify right side
    8,198.26x = 61,216,275.57
  5. Step 5: Solve for x
    x = 61,216,275.57/8,198.26
  6. Step 6: Final answer
    x = 7,466.98

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1.5x scale

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.