Home / 8,105.62-11,186.14-4,568.98

Finding the Fourth Proportional to 8,105.62, 11,186.14 and 4,568.98

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Solution

The fourth proportional to 8,105.62, 11,186.14 and 4,568.98 is: 6,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.62 : 11,186.14 = 4,568.98 : x
  2. Step 2: Convert to fraction form
    8,105.62/11,186.14 = 4,568.98/x
  3. Step 3: Cross multiply
    8,105.62x = 11,186.14 × 4,568.98
  4. Step 4: Simplify right side
    8,105.62x = 51,109,249.94
  5. Step 5: Solve for x
    x = 51,109,249.94/8,105.62
  6. Step 6: Final answer
    x = 6,305.41

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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.