Home / 9,881.19-14,817.12-3,305.61

Finding the Fourth Proportional to 9,881.19, 14,817.12 and 3,305.61

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Solution

The fourth proportional to 9,881.19, 14,817.12 and 3,305.61 is: 4,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.19 : 14,817.12 = 3,305.61 : x
  2. Step 2: Convert to fraction form
    9,881.19/14,817.12 = 3,305.61/x
  3. Step 3: Cross multiply
    9,881.19x = 14,817.12 × 3,305.61
  4. Step 4: Simplify right side
    9,881.19x = 48,979,620.04
  5. Step 5: Solve for x
    x = 48,979,620.04/9,881.19
  6. Step 6: Final answer
    x = 4,956.85

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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.