Home / 7,815.72-11,723.24-2,268.94

Finding the Fourth Proportional to 7,815.72, 11,723.24 and 2,268.94

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Solution

The fourth proportional to 7,815.72, 11,723.24 and 2,268.94 is: 3,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.72 : 11,723.24 = 2,268.94 : x
  2. Step 2: Convert to fraction form
    7,815.72/11,723.24 = 2,268.94/x
  3. Step 3: Cross multiply
    7,815.72x = 11,723.24 × 2,268.94
  4. Step 4: Simplify right side
    7,815.72x = 26,599,328.17
  5. Step 5: Solve for x
    x = 26,599,328.17/7,815.72
  6. Step 6: Final answer
    x = 3,403.31

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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.