Home / 9,170.17-13,755.26-4,786.61

Finding the Fourth Proportional to 9,170.17, 13,755.26 and 4,786.61

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Solution

The fourth proportional to 9,170.17, 13,755.26 and 4,786.61 is: 7,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.17 : 13,755.26 = 4,786.61 : x
  2. Step 2: Convert to fraction form
    9,170.17/13,755.26 = 4,786.61/x
  3. Step 3: Cross multiply
    9,170.17x = 13,755.26 × 4,786.61
  4. Step 4: Simplify right side
    9,170.17x = 65,840,994.80
  5. Step 5: Solve for x
    x = 65,840,994.80/9,170.17
  6. Step 6: Final answer
    x = 7,179.91

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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.