Home / 11,208.31-16,789.74-5,195.94

Finding the Fourth Proportional to 11,208.31, 16,789.74 and 5,195.94

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Solution

The fourth proportional to 11,208.31, 16,789.74 and 5,195.94 is: 7,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.31 : 16,789.74 = 5,195.94 : x
  2. Step 2: Convert to fraction form
    11,208.31/16,789.74 = 5,195.94/x
  3. Step 3: Cross multiply
    11,208.31x = 16,789.74 × 5,195.94
  4. Step 4: Simplify right side
    11,208.31x = 87,238,481.66
  5. Step 5: Solve for x
    x = 87,238,481.66/11,208.31
  6. Step 6: Final answer
    x = 7,783.38

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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.