Home / 8,197.20-11,311.81-4,841.09

Finding the Fourth Proportional to 8,197.20, 11,311.81 and 4,841.09

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Solution

The fourth proportional to 8,197.20, 11,311.81 and 4,841.09 is: 6,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.20 : 11,311.81 = 4,841.09 : x
  2. Step 2: Convert to fraction form
    8,197.20/11,311.81 = 4,841.09/x
  3. Step 3: Cross multiply
    8,197.20x = 11,311.81 × 4,841.09
  4. Step 4: Simplify right side
    8,197.20x = 54,761,509.46
  5. Step 5: Solve for x
    x = 54,761,509.46/8,197.20
  6. Step 6: Final answer
    x = 6,680.51

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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.