Home / 8,011.20-11,987.22-4,850.46

Finding the Fourth Proportional to 8,011.20, 11,987.22 and 4,850.46

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Solution

The fourth proportional to 8,011.20, 11,987.22 and 4,850.46 is: 7,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.20 : 11,987.22 = 4,850.46 : x
  2. Step 2: Convert to fraction form
    8,011.20/11,987.22 = 4,850.46/x
  3. Step 3: Cross multiply
    8,011.20x = 11,987.22 × 4,850.46
  4. Step 4: Simplify right side
    8,011.20x = 58,143,531.12
  5. Step 5: Solve for x
    x = 58,143,531.12/8,011.20
  6. Step 6: Final answer
    x = 7,257.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.