Home / 8,546.31-12,820.68-2,703.38

Finding the Fourth Proportional to 8,546.31, 12,820.68 and 2,703.38

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Solution

The fourth proportional to 8,546.31, 12,820.68 and 2,703.38 is: 4,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.31 : 12,820.68 = 2,703.38 : x
  2. Step 2: Convert to fraction form
    8,546.31/12,820.68 = 2,703.38/x
  3. Step 3: Cross multiply
    8,546.31x = 12,820.68 × 2,703.38
  4. Step 4: Simplify right side
    8,546.31x = 34,659,105.80
  5. Step 5: Solve for x
    x = 34,659,105.80/8,546.31
  6. Step 6: Final answer
    x = 4,055.45

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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.