Home / 11,936.18-16,471.68-6,630.68

Finding the Fourth Proportional to 11,936.18, 16,471.68 and 6,630.68

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Solution

The fourth proportional to 11,936.18, 16,471.68 and 6,630.68 is: 9,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.18 : 16,471.68 = 6,630.68 : x
  2. Step 2: Convert to fraction form
    11,936.18/16,471.68 = 6,630.68/x
  3. Step 3: Cross multiply
    11,936.18x = 16,471.68 × 6,630.68
  4. Step 4: Simplify right side
    11,936.18x = 109,218,439.14
  5. Step 5: Solve for x
    x = 109,218,439.14/11,936.18
  6. Step 6: Final answer
    x = 9,150.20

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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.