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Finding the Fourth Proportional to 11,093.12, 16,643.96 and 7,934.12

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Solution

The fourth proportional to 11,093.12, 16,643.96 and 7,934.12 is: 11,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.12 : 16,643.96 = 7,934.12 : x
  2. Step 2: Convert to fraction form
    11,093.12/16,643.96 = 7,934.12/x
  3. Step 3: Cross multiply
    11,093.12x = 16,643.96 × 7,934.12
  4. Step 4: Simplify right side
    11,093.12x = 132,055,175.92
  5. Step 5: Solve for x
    x = 132,055,175.92/11,093.12
  6. Step 6: Final answer
    x = 11,904.24

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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.