Home / 11,556.21-17,344.15-4,541.13

Finding the Fourth Proportional to 11,556.21, 17,344.15 and 4,541.13

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Solution

The fourth proportional to 11,556.21, 17,344.15 and 4,541.13 is: 6,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.21 : 17,344.15 = 4,541.13 : x
  2. Step 2: Convert to fraction form
    11,556.21/17,344.15 = 4,541.13/x
  3. Step 3: Cross multiply
    11,556.21x = 17,344.15 × 4,541.13
  4. Step 4: Simplify right side
    11,556.21x = 78,762,028.54
  5. Step 5: Solve for x
    x = 78,762,028.54/11,556.21
  6. Step 6: Final answer
    x = 6,815.56

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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.