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Finding the Fourth Proportional to 11,661.93, 16,093.50 and 6,356.64

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Solution

The fourth proportional to 11,661.93, 16,093.50 and 6,356.64 is: 8,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.93 : 16,093.50 = 6,356.64 : x
  2. Step 2: Convert to fraction form
    11,661.93/16,093.50 = 6,356.64/x
  3. Step 3: Cross multiply
    11,661.93x = 16,093.50 × 6,356.64
  4. Step 4: Simplify right side
    11,661.93x = 102,300,585.84
  5. Step 5: Solve for x
    x = 102,300,585.84/11,661.93
  6. Step 6: Final answer
    x = 8,772.18

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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.