Home / 10,118.66-15,177.92-2,722.51

Finding the Fourth Proportional to 10,118.66, 15,177.92 and 2,722.51

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Solution

The fourth proportional to 10,118.66, 15,177.92 and 2,722.51 is: 4,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.66 : 15,177.92 = 2,722.51 : x
  2. Step 2: Convert to fraction form
    10,118.66/15,177.92 = 2,722.51/x
  3. Step 3: Cross multiply
    10,118.66x = 15,177.92 × 2,722.51
  4. Step 4: Simplify right side
    10,118.66x = 41,322,007.84
  5. Step 5: Solve for x
    x = 41,322,007.84/10,118.66
  6. Step 6: Final answer
    x = 4,083.75

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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.