Home / 8,582.38-12,873.64-3,388.25

Finding the Fourth Proportional to 8,582.38, 12,873.64 and 3,388.25

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Solution

The fourth proportional to 8,582.38, 12,873.64 and 3,388.25 is: 5,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.38 : 12,873.64 = 3,388.25 : x
  2. Step 2: Convert to fraction form
    8,582.38/12,873.64 = 3,388.25/x
  3. Step 3: Cross multiply
    8,582.38x = 12,873.64 × 3,388.25
  4. Step 4: Simplify right side
    8,582.38x = 43,619,110.73
  5. Step 5: Solve for x
    x = 43,619,110.73/8,582.38
  6. Step 6: Final answer
    x = 5,082.41

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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.