Home / 8,144.58-11,238.92-5,000.80

Finding the Fourth Proportional to 8,144.58, 11,238.92 and 5,000.80

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Solution

The fourth proportional to 8,144.58, 11,238.92 and 5,000.80 is: 6,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.58 : 11,238.92 = 5,000.80 : x
  2. Step 2: Convert to fraction form
    8,144.58/11,238.92 = 5,000.80/x
  3. Step 3: Cross multiply
    8,144.58x = 11,238.92 × 5,000.80
  4. Step 4: Simplify right side
    8,144.58x = 56,203,591.14
  5. Step 5: Solve for x
    x = 56,203,591.14/8,144.58
  6. Step 6: Final answer
    x = 6,900.74

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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.