Home / 7,815.03-11,724.48-2,268.78

Finding the Fourth Proportional to 7,815.03, 11,724.48 and 2,268.78

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Solution

The fourth proportional to 7,815.03, 11,724.48 and 2,268.78 is: 3,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.03 : 11,724.48 = 2,268.78 : x
  2. Step 2: Convert to fraction form
    7,815.03/11,724.48 = 2,268.78/x
  3. Step 3: Cross multiply
    7,815.03x = 11,724.48 × 2,268.78
  4. Step 4: Simplify right side
    7,815.03x = 26,600,265.73
  5. Step 5: Solve for x
    x = 26,600,265.73/7,815.03
  6. Step 6: Final answer
    x = 3,403.73

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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.