Home / 8,708.96-13,063.31-2,135.19

Finding the Fourth Proportional to 8,708.96, 13,063.31 and 2,135.19

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Solution

The fourth proportional to 8,708.96, 13,063.31 and 2,135.19 is: 3,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.96 : 13,063.31 = 2,135.19 : x
  2. Step 2: Convert to fraction form
    8,708.96/13,063.31 = 2,135.19/x
  3. Step 3: Cross multiply
    8,708.96x = 13,063.31 × 2,135.19
  4. Step 4: Simplify right side
    8,708.96x = 27,892,638.20
  5. Step 5: Solve for x
    x = 27,892,638.20/8,708.96
  6. Step 6: Final answer
    x = 3,202.75

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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.