Home / 11,793.85-17,685.74-3,999.13

Finding the Fourth Proportional to 11,793.85, 17,685.74 and 3,999.13

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Solution

The fourth proportional to 11,793.85, 17,685.74 and 3,999.13 is: 5,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.85 : 17,685.74 = 3,999.13 : x
  2. Step 2: Convert to fraction form
    11,793.85/17,685.74 = 3,999.13/x
  3. Step 3: Cross multiply
    11,793.85x = 17,685.74 × 3,999.13
  4. Step 4: Simplify right side
    11,793.85x = 70,727,553.41
  5. Step 5: Solve for x
    x = 70,727,553.41/11,793.85
  6. Step 6: Final answer
    x = 5,996.99

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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.