Home / 11,391.29-17,093.31-4,822.39

Finding the Fourth Proportional to 11,391.29, 17,093.31 and 4,822.39

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Solution

The fourth proportional to 11,391.29, 17,093.31 and 4,822.39 is: 7,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.29 : 17,093.31 = 4,822.39 : x
  2. Step 2: Convert to fraction form
    11,391.29/17,093.31 = 4,822.39/x
  3. Step 3: Cross multiply
    11,391.29x = 17,093.31 × 4,822.39
  4. Step 4: Simplify right side
    11,391.29x = 82,430,607.21
  5. Step 5: Solve for x
    x = 82,430,607.21/11,391.29
  6. Step 6: Final answer
    x = 7,236.28

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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.