Home / 11,755.20-17,632.86-4,738.44

Finding the Fourth Proportional to 11,755.20, 17,632.86 and 4,738.44

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Solution

The fourth proportional to 11,755.20, 17,632.86 and 4,738.44 is: 7,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.20 : 17,632.86 = 4,738.44 : x
  2. Step 2: Convert to fraction form
    11,755.20/17,632.86 = 4,738.44/x
  3. Step 3: Cross multiply
    11,755.20x = 17,632.86 × 4,738.44
  4. Step 4: Simplify right side
    11,755.20x = 83,552,249.14
  5. Step 5: Solve for x
    x = 83,552,249.14/11,755.20
  6. Step 6: Final answer
    x = 7,107.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.