Home / 9,939.92-13,732.62-8,463.56

Finding the Fourth Proportional to 9,939.92, 13,732.62 and 8,463.56

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Solution

The fourth proportional to 9,939.92, 13,732.62 and 8,463.56 is: 11,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.92 : 13,732.62 = 8,463.56 : x
  2. Step 2: Convert to fraction form
    9,939.92/13,732.62 = 8,463.56/x
  3. Step 3: Cross multiply
    9,939.92x = 13,732.62 × 8,463.56
  4. Step 4: Simplify right side
    9,939.92x = 116,226,853.33
  5. Step 5: Solve for x
    x = 116,226,853.33/9,939.92
  6. Step 6: Final answer
    x = 11,692.94

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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.