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Finding the Fourth Proportional to 11,993.68, 16,550.94 and 6,957.58

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Solution

The fourth proportional to 11,993.68, 16,550.94 and 6,957.58 is: 9,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.68 : 16,550.94 = 6,957.58 : x
  2. Step 2: Convert to fraction form
    11,993.68/16,550.94 = 6,957.58/x
  3. Step 3: Cross multiply
    11,993.68x = 16,550.94 × 6,957.58
  4. Step 4: Simplify right side
    11,993.68x = 115,154,489.13
  5. Step 5: Solve for x
    x = 115,154,489.13/11,993.68
  6. Step 6: Final answer
    x = 9,601.26

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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.