Home / 11,713.38-16,163.06-6,677.62

Finding the Fourth Proportional to 11,713.38, 16,163.06 and 6,677.62

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Solution

The fourth proportional to 11,713.38, 16,163.06 and 6,677.62 is: 9,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.38 : 16,163.06 = 6,677.62 : x
  2. Step 2: Convert to fraction form
    11,713.38/16,163.06 = 6,677.62/x
  3. Step 3: Cross multiply
    11,713.38x = 16,163.06 × 6,677.62
  4. Step 4: Simplify right side
    11,713.38x = 107,930,772.72
  5. Step 5: Solve for x
    x = 107,930,772.72/11,713.38
  6. Step 6: Final answer
    x = 9,214.31

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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.