Home / 8,613.37-11,884.26-5,255.97

Finding the Fourth Proportional to 8,613.37, 11,884.26 and 5,255.97

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Solution

The fourth proportional to 8,613.37, 11,884.26 and 5,255.97 is: 7,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.37 : 11,884.26 = 5,255.97 : x
  2. Step 2: Convert to fraction form
    8,613.37/11,884.26 = 5,255.97/x
  3. Step 3: Cross multiply
    8,613.37x = 11,884.26 × 5,255.97
  4. Step 4: Simplify right side
    8,613.37x = 62,463,314.03
  5. Step 5: Solve for x
    x = 62,463,314.03/8,613.37
  6. Step 6: Final answer
    x = 7,251.90

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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.