Home / 11,936.16-16,467.84-6,899.04

Finding the Fourth Proportional to 11,936.16, 16,467.84 and 6,899.04

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Solution

The fourth proportional to 11,936.16, 16,467.84 and 6,899.04 is: 9,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.16 : 16,467.84 = 6,899.04 : x
  2. Step 2: Convert to fraction form
    11,936.16/16,467.84 = 6,899.04/x
  3. Step 3: Cross multiply
    11,936.16x = 16,467.84 × 6,899.04
  4. Step 4: Simplify right side
    11,936.16x = 113,612,286.87
  5. Step 5: Solve for x
    x = 113,612,286.87/11,936.16
  6. Step 6: Final answer
    x = 9,518.33

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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.