Home / 11,126.66-16,679.01-6,198.62

Finding the Fourth Proportional to 11,126.66, 16,679.01 and 6,198.62

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Solution

The fourth proportional to 11,126.66, 16,679.01 and 6,198.62 is: 9,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.66 : 16,679.01 = 6,198.62 : x
  2. Step 2: Convert to fraction form
    11,126.66/16,679.01 = 6,198.62/x
  3. Step 3: Cross multiply
    11,126.66x = 16,679.01 × 6,198.62
  4. Step 4: Simplify right side
    11,126.66x = 103,386,844.97
  5. Step 5: Solve for x
    x = 103,386,844.97/11,126.66
  6. Step 6: Final answer
    x = 9,291.81

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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.