Home / 11,996.12-17,995.70-4,100.15

Finding the Fourth Proportional to 11,996.12, 17,995.70 and 4,100.15

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Solution

The fourth proportional to 11,996.12, 17,995.70 and 4,100.15 is: 6,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.12 : 17,995.70 = 4,100.15 : x
  2. Step 2: Convert to fraction form
    11,996.12/17,995.70 = 4,100.15/x
  3. Step 3: Cross multiply
    11,996.12x = 17,995.70 × 4,100.15
  4. Step 4: Simplify right side
    11,996.12x = 73,785,124.59
  5. Step 5: Solve for x
    x = 73,785,124.59/11,996.12
  6. Step 6: Final answer
    x = 6,150.75

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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.