Home / 8,268.55-12,402.56-2,028.58

Finding the Fourth Proportional to 8,268.55, 12,402.56 and 2,028.58

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Solution

The fourth proportional to 8,268.55, 12,402.56 and 2,028.58 is: 3,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.55 : 12,402.56 = 2,028.58 : x
  2. Step 2: Convert to fraction form
    8,268.55/12,402.56 = 2,028.58/x
  3. Step 3: Cross multiply
    8,268.55x = 12,402.56 × 2,028.58
  4. Step 4: Simplify right side
    8,268.55x = 25,159,559.23
  5. Step 5: Solve for x
    x = 25,159,559.23/8,268.55
  6. Step 6: Final answer
    x = 3,042.80

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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.