Home / 8,144.42-11,238.77-4,558.78

Finding the Fourth Proportional to 8,144.42, 11,238.77 and 4,558.78

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Solution

The fourth proportional to 8,144.42, 11,238.77 and 4,558.78 is: 6,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.42 : 11,238.77 = 4,558.78 : x
  2. Step 2: Convert to fraction form
    8,144.42/11,238.77 = 4,558.78/x
  3. Step 3: Cross multiply
    8,144.42x = 11,238.77 × 4,558.78
  4. Step 4: Simplify right side
    8,144.42x = 51,235,079.90
  5. Step 5: Solve for x
    x = 51,235,079.90/8,144.42
  6. Step 6: Final answer
    x = 6,290.82

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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.