Home / 11,996.64-17,995.28-3,231.56

Finding the Fourth Proportional to 11,996.64, 17,995.28 and 3,231.56

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Solution

The fourth proportional to 11,996.64, 17,995.28 and 3,231.56 is: 4,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.64 : 17,995.28 = 3,231.56 : x
  2. Step 2: Convert to fraction form
    11,996.64/17,995.28 = 3,231.56/x
  3. Step 3: Cross multiply
    11,996.64x = 17,995.28 × 3,231.56
  4. Step 4: Simplify right side
    11,996.64x = 58,152,827.04
  5. Step 5: Solve for x
    x = 58,152,827.04/11,996.64
  6. Step 6: Final answer
    x = 4,847.43

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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.