Home / 7,211.25-9,951.68-4,067.44

Finding the Fourth Proportional to 7,211.25, 9,951.68 and 4,067.44

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Solution

The fourth proportional to 7,211.25, 9,951.68 and 4,067.44 is: 5,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.25 : 9,951.68 = 4,067.44 : x
  2. Step 2: Convert to fraction form
    7,211.25/9,951.68 = 4,067.44/x
  3. Step 3: Cross multiply
    7,211.25x = 9,951.68 × 4,067.44
  4. Step 4: Simplify right side
    7,211.25x = 40,477,846.59
  5. Step 5: Solve for x
    x = 40,477,846.59/7,211.25
  6. Step 6: Final answer
    x = 5,613.15

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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.