Home / 11,394.78-17,095.20-4,821.24

Finding the Fourth Proportional to 11,394.78, 17,095.20 and 4,821.24

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Solution

The fourth proportional to 11,394.78, 17,095.20 and 4,821.24 is: 7,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.78 : 17,095.20 = 4,821.24 : x
  2. Step 2: Convert to fraction form
    11,394.78/17,095.20 = 4,821.24/x
  3. Step 3: Cross multiply
    11,394.78x = 17,095.20 × 4,821.24
  4. Step 4: Simplify right side
    11,394.78x = 82,420,062.05
  5. Step 5: Solve for x
    x = 82,420,062.05/11,394.78
  6. Step 6: Final answer
    x = 7,233.14

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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.