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Finding the Fourth Proportional to 11,695.53, 16,141.80 and 6,659.06

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Solution

The fourth proportional to 11,695.53, 16,141.80 and 6,659.06 is: 9,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.53 : 16,141.80 = 6,659.06 : x
  2. Step 2: Convert to fraction form
    11,695.53/16,141.80 = 6,659.06/x
  3. Step 3: Cross multiply
    11,695.53x = 16,141.80 × 6,659.06
  4. Step 4: Simplify right side
    11,695.53x = 107,489,134.00
  5. Step 5: Solve for x
    x = 107,489,134.00/11,695.53
  6. Step 6: Final answer
    x = 9,190.62

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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.