Home / 9,135.27-13,703.69-2,561.54

Finding the Fourth Proportional to 9,135.27, 13,703.69 and 2,561.54

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Solution

The fourth proportional to 9,135.27, 13,703.69 and 2,561.54 is: 3,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.27 : 13,703.69 = 2,561.54 : x
  2. Step 2: Convert to fraction form
    9,135.27/13,703.69 = 2,561.54/x
  3. Step 3: Cross multiply
    9,135.27x = 13,703.69 × 2,561.54
  4. Step 4: Simplify right side
    9,135.27x = 35,102,487.97
  5. Step 5: Solve for x
    x = 35,102,487.97/9,135.27
  6. Step 6: Final answer
    x = 3,842.52

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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.