Home / 7,884.30-11,826.90-2,040.76

Finding the Fourth Proportional to 7,884.30, 11,826.90 and 2,040.76

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Solution

The fourth proportional to 7,884.30, 11,826.90 and 2,040.76 is: 3,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.30 : 11,826.90 = 2,040.76 : x
  2. Step 2: Convert to fraction form
    7,884.30/11,826.90 = 2,040.76/x
  3. Step 3: Cross multiply
    7,884.30x = 11,826.90 × 2,040.76
  4. Step 4: Simplify right side
    7,884.30x = 24,135,864.44
  5. Step 5: Solve for x
    x = 24,135,864.44/7,884.30
  6. Step 6: Final answer
    x = 3,061.26

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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.