Home / 11,996.91-17,998.20-4,601.61

Finding the Fourth Proportional to 11,996.91, 17,998.20 and 4,601.61

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Solution

The fourth proportional to 11,996.91, 17,998.20 and 4,601.61 is: 6,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.91 : 17,998.20 = 4,601.61 : x
  2. Step 2: Convert to fraction form
    11,996.91/17,998.20 = 4,601.61/x
  3. Step 3: Cross multiply
    11,996.91x = 17,998.20 × 4,601.61
  4. Step 4: Simplify right side
    11,996.91x = 82,820,697.10
  5. Step 5: Solve for x
    x = 82,820,697.10/11,996.91
  6. Step 6: Final answer
    x = 6,903.50

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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.