Home / 11,936.07-16,471.79-6,631.38

Finding the Fourth Proportional to 11,936.07, 16,471.79 and 6,631.38

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Solution

The fourth proportional to 11,936.07, 16,471.79 and 6,631.38 is: 9,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.07 : 16,471.79 = 6,631.38 : x
  2. Step 2: Convert to fraction form
    11,936.07/16,471.79 = 6,631.38/x
  3. Step 3: Cross multiply
    11,936.07x = 16,471.79 × 6,631.38
  4. Step 4: Simplify right side
    11,936.07x = 109,230,665.61
  5. Step 5: Solve for x
    x = 109,230,665.61/11,936.07
  6. Step 6: Final answer
    x = 9,151.31

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Similar ratio
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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.