Home / 7,388.57-11,078.25-2,456.93

Finding the Fourth Proportional to 7,388.57, 11,078.25 and 2,456.93

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Solution

The fourth proportional to 7,388.57, 11,078.25 and 2,456.93 is: 3,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.57 : 11,078.25 = 2,456.93 : x
  2. Step 2: Convert to fraction form
    7,388.57/11,078.25 = 2,456.93/x
  3. Step 3: Cross multiply
    7,388.57x = 11,078.25 × 2,456.93
  4. Step 4: Simplify right side
    7,388.57x = 27,218,484.77
  5. Step 5: Solve for x
    x = 27,218,484.77/7,388.57
  6. Step 6: Final answer
    x = 3,683.86

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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.