Home / 7,885.32-11,827.92-2,338.70

Finding the Fourth Proportional to 7,885.32, 11,827.92 and 2,338.70

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Solution

The fourth proportional to 7,885.32, 11,827.92 and 2,338.70 is: 3,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.32 : 11,827.92 = 2,338.70 : x
  2. Step 2: Convert to fraction form
    7,885.32/11,827.92 = 2,338.70/x
  3. Step 3: Cross multiply
    7,885.32x = 11,827.92 × 2,338.70
  4. Step 4: Simplify right side
    7,885.32x = 27,661,956.50
  5. Step 5: Solve for x
    x = 27,661,956.50/7,885.32
  6. Step 6: Final answer
    x = 3,508.03

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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.