Home / 11,305.12-16,952.20-3,906.98

Finding the Fourth Proportional to 11,305.12, 16,952.20 and 3,906.98

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Solution

The fourth proportional to 11,305.12, 16,952.20 and 3,906.98 is: 5,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.12 : 16,952.20 = 3,906.98 : x
  2. Step 2: Convert to fraction form
    11,305.12/16,952.20 = 3,906.98/x
  3. Step 3: Cross multiply
    11,305.12x = 16,952.20 × 3,906.98
  4. Step 4: Simplify right side
    11,305.12x = 66,231,906.36
  5. Step 5: Solve for x
    x = 66,231,906.36/11,305.12
  6. Step 6: Final answer
    x = 5,858.58

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1.5x scale

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.