Home / 8,268.90-12,403.26-2,425.29

Finding the Fourth Proportional to 8,268.90, 12,403.26 and 2,425.29

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Solution

The fourth proportional to 8,268.90, 12,403.26 and 2,425.29 is: 3,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.90 : 12,403.26 = 2,425.29 : x
  2. Step 2: Convert to fraction form
    8,268.90/12,403.26 = 2,425.29/x
  3. Step 3: Cross multiply
    8,268.90x = 12,403.26 × 2,425.29
  4. Step 4: Simplify right side
    8,268.90x = 30,081,502.45
  5. Step 5: Solve for x
    x = 30,081,502.45/8,268.90
  6. Step 6: Final answer
    x = 3,637.91

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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.