Home / 11,198.12-16,799.20-4,620.71

Finding the Fourth Proportional to 11,198.12, 16,799.20 and 4,620.71

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Solution

The fourth proportional to 11,198.12, 16,799.20 and 4,620.71 is: 6,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.12 : 16,799.20 = 4,620.71 : x
  2. Step 2: Convert to fraction form
    11,198.12/16,799.20 = 4,620.71/x
  3. Step 3: Cross multiply
    11,198.12x = 16,799.20 × 4,620.71
  4. Step 4: Simplify right side
    11,198.12x = 77,624,261.88
  5. Step 5: Solve for x
    x = 77,624,261.88/11,198.12
  6. Step 6: Final answer
    x = 6,931.90

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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.