Home / 10,997.12-15,175.86-5,961.25

Finding the Fourth Proportional to 10,997.12, 15,175.86 and 5,961.25

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Solution

The fourth proportional to 10,997.12, 15,175.86 and 5,961.25 is: 8,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.12 : 15,175.86 = 5,961.25 : x
  2. Step 2: Convert to fraction form
    10,997.12/15,175.86 = 5,961.25/x
  3. Step 3: Cross multiply
    10,997.12x = 15,175.86 × 5,961.25
  4. Step 4: Simplify right side
    10,997.12x = 90,467,006.68
  5. Step 5: Solve for x
    x = 90,467,006.68/10,997.12
  6. Step 6: Final answer
    x = 8,226.43

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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.