Home / 11,826.54-16,320.62-6,791.09

Finding the Fourth Proportional to 11,826.54, 16,320.62 and 6,791.09

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Solution

The fourth proportional to 11,826.54, 16,320.62 and 6,791.09 is: 9,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.54 : 16,320.62 = 6,791.09 : x
  2. Step 2: Convert to fraction form
    11,826.54/16,320.62 = 6,791.09/x
  3. Step 3: Cross multiply
    11,826.54x = 16,320.62 × 6,791.09
  4. Step 4: Simplify right side
    11,826.54x = 110,834,799.28
  5. Step 5: Solve for x
    x = 110,834,799.28/11,826.54
  6. Step 6: Final answer
    x = 9,371.70

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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.