Home / 12,414.10-17,126.37-7,936.66

Finding the Fourth Proportional to 12,414.10, 17,126.37 and 7,936.66

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Solution

The fourth proportional to 12,414.10, 17,126.37 and 7,936.66 is: 10,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.10 : 17,126.37 = 7,936.66 : x
  2. Step 2: Convert to fraction form
    12,414.10/17,126.37 = 7,936.66/x
  3. Step 3: Cross multiply
    12,414.10x = 17,126.37 × 7,936.66
  4. Step 4: Simplify right side
    12,414.10x = 135,926,175.72
  5. Step 5: Solve for x
    x = 135,926,175.72/12,414.10
  6. Step 6: Final answer
    x = 10,949.34

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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.