Home / 10,789.14-16,162.97-6,616.98

Finding the Fourth Proportional to 10,789.14, 16,162.97 and 6,616.98

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Solution

The fourth proportional to 10,789.14, 16,162.97 and 6,616.98 is: 9,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.14 : 16,162.97 = 6,616.98 : x
  2. Step 2: Convert to fraction form
    10,789.14/16,162.97 = 6,616.98/x
  3. Step 3: Cross multiply
    10,789.14x = 16,162.97 × 6,616.98
  4. Step 4: Simplify right side
    10,789.14x = 106,950,016.15
  5. Step 5: Solve for x
    x = 106,950,016.15/10,789.14
  6. Step 6: Final answer
    x = 9,912.75

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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.