Home / 7,211.53-9,952.07-4,067.72

Finding the Fourth Proportional to 7,211.53, 9,952.07 and 4,067.72

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Solution

The fourth proportional to 7,211.53, 9,952.07 and 4,067.72 is: 5,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.53 : 9,952.07 = 4,067.72 : x
  2. Step 2: Convert to fraction form
    7,211.53/9,952.07 = 4,067.72/x
  3. Step 3: Cross multiply
    7,211.53x = 9,952.07 × 4,067.72
  4. Step 4: Simplify right side
    7,211.53x = 40,482,201.40
  5. Step 5: Solve for x
    x = 40,482,201.40/7,211.53
  6. Step 6: Final answer
    x = 5,613.54

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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.