Home / 11,936.08-16,471.38-6,631.12

Finding the Fourth Proportional to 11,936.08, 16,471.38 and 6,631.12

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Solution

The fourth proportional to 11,936.08, 16,471.38 and 6,631.12 is: 9,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.08 : 16,471.38 = 6,631.12 : x
  2. Step 2: Convert to fraction form
    11,936.08/16,471.38 = 6,631.12/x
  3. Step 3: Cross multiply
    11,936.08x = 16,471.38 × 6,631.12
  4. Step 4: Simplify right side
    11,936.08x = 109,223,697.35
  5. Step 5: Solve for x
    x = 109,223,697.35/11,936.08
  6. Step 6: Final answer
    x = 9,150.72

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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.