Home / 7,718.28-11,569.32-4,016.58

Finding the Fourth Proportional to 7,718.28, 11,569.32 and 4,016.58

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Solution

The fourth proportional to 7,718.28, 11,569.32 and 4,016.58 is: 6,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.28 : 11,569.32 = 4,016.58 : x
  2. Step 2: Convert to fraction form
    7,718.28/11,569.32 = 4,016.58/x
  3. Step 3: Cross multiply
    7,718.28x = 11,569.32 × 4,016.58
  4. Step 4: Simplify right side
    7,718.28x = 46,469,099.33
  5. Step 5: Solve for x
    x = 46,469,099.33/7,718.28
  6. Step 6: Final answer
    x = 6,020.65

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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.