Home / 8,350.22-11,519.28-5,518.70

Finding the Fourth Proportional to 8,350.22, 11,519.28 and 5,518.70

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Solution

The fourth proportional to 8,350.22, 11,519.28 and 5,518.70 is: 7,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.22 : 11,519.28 = 5,518.70 : x
  2. Step 2: Convert to fraction form
    8,350.22/11,519.28 = 5,518.70/x
  3. Step 3: Cross multiply
    8,350.22x = 11,519.28 × 5,518.70
  4. Step 4: Simplify right side
    8,350.22x = 63,571,450.54
  5. Step 5: Solve for x
    x = 63,571,450.54/8,350.22
  6. Step 6: Final answer
    x = 7,613.15

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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.