Home / 10,983.44-15,157.16-5,947.66

Finding the Fourth Proportional to 10,983.44, 15,157.16 and 5,947.66

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Solution

The fourth proportional to 10,983.44, 15,157.16 and 5,947.66 is: 8,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.44 : 15,157.16 = 5,947.66 : x
  2. Step 2: Convert to fraction form
    10,983.44/15,157.16 = 5,947.66/x
  3. Step 3: Cross multiply
    10,983.44x = 15,157.16 × 5,947.66
  4. Step 4: Simplify right side
    10,983.44x = 90,149,634.25
  5. Step 5: Solve for x
    x = 90,149,634.25/10,983.44
  6. Step 6: Final answer
    x = 8,207.78

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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.