Home / 10,997.09-15,175.95-5,961.44

Finding the Fourth Proportional to 10,997.09, 15,175.95 and 5,961.44

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Solution

The fourth proportional to 10,997.09, 15,175.95 and 5,961.44 is: 8,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.09 : 15,175.95 = 5,961.44 : x
  2. Step 2: Convert to fraction form
    10,997.09/15,175.95 = 5,961.44/x
  3. Step 3: Cross multiply
    10,997.09x = 15,175.95 × 5,961.44
  4. Step 4: Simplify right side
    10,997.09x = 90,470,439.49
  5. Step 5: Solve for x
    x = 90,470,439.49/10,997.09
  6. Step 6: Final answer
    x = 8,226.77

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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.