Home / 11,255.78-16,873.23-3,858.48

Finding the Fourth Proportional to 11,255.78, 16,873.23 and 3,858.48

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Solution

The fourth proportional to 11,255.78, 16,873.23 and 3,858.48 is: 5,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.78 : 16,873.23 = 3,858.48 : x
  2. Step 2: Convert to fraction form
    11,255.78/16,873.23 = 3,858.48/x
  3. Step 3: Cross multiply
    11,255.78x = 16,873.23 × 3,858.48
  4. Step 4: Simplify right side
    11,255.78x = 65,105,020.49
  5. Step 5: Solve for x
    x = 65,105,020.49/11,255.78
  6. Step 6: Final answer
    x = 5,784.14

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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.