Home / 11,924.82-16,456.36-6,620.14

Finding the Fourth Proportional to 11,924.82, 16,456.36 and 6,620.14

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Solution

The fourth proportional to 11,924.82, 16,456.36 and 6,620.14 is: 9,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.82 : 16,456.36 = 6,620.14 : x
  2. Step 2: Convert to fraction form
    11,924.82/16,456.36 = 6,620.14/x
  3. Step 3: Cross multiply
    11,924.82x = 16,456.36 × 6,620.14
  4. Step 4: Simplify right side
    11,924.82x = 108,943,407.09
  5. Step 5: Solve for x
    x = 108,943,407.09/11,924.82
  6. Step 6: Final answer
    x = 9,135.85

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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.