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Finding the Fourth Proportional to 11,646.97, 16,074.19 and 6,867.97

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Solution

The fourth proportional to 11,646.97, 16,074.19 and 6,867.97 is: 9,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,646.97 : 16,074.19 = 6,867.97 : x
  2. Step 2: Convert to fraction form
    11,646.97/16,074.19 = 6,867.97/x
  3. Step 3: Cross multiply
    11,646.97x = 16,074.19 × 6,867.97
  4. Step 4: Simplify right side
    11,646.97x = 110,397,054.69
  5. Step 5: Solve for x
    x = 110,397,054.69/11,646.97
  6. Step 6: Final answer
    x = 9,478.61

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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.