Home / 11,276.20-16,891.62-6,338.44

Finding the Fourth Proportional to 11,276.20, 16,891.62 and 6,338.44

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Solution

The fourth proportional to 11,276.20, 16,891.62 and 6,338.44 is: 9,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.20 : 16,891.62 = 6,338.44 : x
  2. Step 2: Convert to fraction form
    11,276.20/16,891.62 = 6,338.44/x
  3. Step 3: Cross multiply
    11,276.20x = 16,891.62 × 6,338.44
  4. Step 4: Simplify right side
    11,276.20x = 107,066,519.87
  5. Step 5: Solve for x
    x = 107,066,519.87/11,276.20
  6. Step 6: Final answer
    x = 9,494.91

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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.