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Finding the Fourth Proportional to 11,661.88, 16,093.44 and 6,356.68

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Solution

The fourth proportional to 11,661.88, 16,093.44 and 6,356.68 is: 8,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.88 : 16,093.44 = 6,356.68 : x
  2. Step 2: Convert to fraction form
    11,661.88/16,093.44 = 6,356.68/x
  3. Step 3: Cross multiply
    11,661.88x = 16,093.44 × 6,356.68
  4. Step 4: Simplify right side
    11,661.88x = 102,300,848.18
  5. Step 5: Solve for x
    x = 102,300,848.18/11,661.88
  6. Step 6: Final answer
    x = 8,772.24

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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.