Home / 8,151.64-11,249.26-4,425.64

Finding the Fourth Proportional to 8,151.64, 11,249.26 and 4,425.64

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Solution

The fourth proportional to 8,151.64, 11,249.26 and 4,425.64 is: 6,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.64 : 11,249.26 = 4,425.64 : x
  2. Step 2: Convert to fraction form
    8,151.64/11,249.26 = 4,425.64/x
  3. Step 3: Cross multiply
    8,151.64x = 11,249.26 × 4,425.64
  4. Step 4: Simplify right side
    8,151.64x = 49,785,175.03
  5. Step 5: Solve for x
    x = 49,785,175.03/8,151.64
  6. Step 6: Final answer
    x = 6,107.38

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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.