Home / 7,211.38-9,952.59-4,067.50

Finding the Fourth Proportional to 7,211.38, 9,952.59 and 4,067.50

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Solution

The fourth proportional to 7,211.38, 9,952.59 and 4,067.50 is: 5,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.38 : 9,952.59 = 4,067.50 : x
  2. Step 2: Convert to fraction form
    7,211.38/9,952.59 = 4,067.50/x
  3. Step 3: Cross multiply
    7,211.38x = 9,952.59 × 4,067.50
  4. Step 4: Simplify right side
    7,211.38x = 40,482,159.83
  5. Step 5: Solve for x
    x = 40,482,159.83/7,211.38
  6. Step 6: Final answer
    x = 5,613.65

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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.