Home / 10,961.16-15,126.41-6,245.44

Finding the Fourth Proportional to 10,961.16, 15,126.41 and 6,245.44

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Solution

The fourth proportional to 10,961.16, 15,126.41 and 6,245.44 is: 8,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.16 : 15,126.41 = 6,245.44 : x
  2. Step 2: Convert to fraction form
    10,961.16/15,126.41 = 6,245.44/x
  3. Step 3: Cross multiply
    10,961.16x = 15,126.41 × 6,245.44
  4. Step 4: Simplify right side
    10,961.16x = 94,471,063.87
  5. Step 5: Solve for x
    x = 94,471,063.87/10,961.16
  6. Step 6: Final answer
    x = 8,618.71

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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.