Home / 11,676.29-16,112.75-6,371.00

Finding the Fourth Proportional to 11,676.29, 16,112.75 and 6,371.00

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Solution

The fourth proportional to 11,676.29, 16,112.75 and 6,371.00 is: 8,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.29 : 16,112.75 = 6,371.00 : x
  2. Step 2: Convert to fraction form
    11,676.29/16,112.75 = 6,371.00/x
  3. Step 3: Cross multiply
    11,676.29x = 16,112.75 × 6,371.00
  4. Step 4: Simplify right side
    11,676.29x = 102,654,217.83
  5. Step 5: Solve for x
    x = 102,654,217.83/11,676.29
  6. Step 6: Final answer
    x = 8,791.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.