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Finding the Fourth Proportional to 11,697.77, 16,141.06 and 6,662.09

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Solution

The fourth proportional to 11,697.77, 16,141.06 and 6,662.09 is: 9,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697.77 : 16,141.06 = 6,662.09 : x
  2. Step 2: Convert to fraction form
    11,697.77/16,141.06 = 6,662.09/x
  3. Step 3: Cross multiply
    11,697.77x = 16,141.06 × 6,662.09
  4. Step 4: Simplify right side
    11,697.77x = 107,533,120.24
  5. Step 5: Solve for x
    x = 107,533,120.24/11,697.77
  6. Step 6: Final answer
    x = 9,192.62

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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.