Home / 8,680.96-13,022.35-2,837.56

Finding the Fourth Proportional to 8,680.96, 13,022.35 and 2,837.56

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Solution

The fourth proportional to 8,680.96, 13,022.35 and 2,837.56 is: 4,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.96 : 13,022.35 = 2,837.56 : x
  2. Step 2: Convert to fraction form
    8,680.96/13,022.35 = 2,837.56/x
  3. Step 3: Cross multiply
    8,680.96x = 13,022.35 × 2,837.56
  4. Step 4: Simplify right side
    8,680.96x = 36,951,627.26
  5. Step 5: Solve for x
    x = 36,951,627.26/8,680.96
  6. Step 6: Final answer
    x = 4,256.63

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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.