Home / 11,601.81-17,375.63-8,474.09

Finding the Fourth Proportional to 11,601.81, 17,375.63 and 8,474.09

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Solution

The fourth proportional to 11,601.81, 17,375.63 and 8,474.09 is: 12,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.81 : 17,375.63 = 8,474.09 : x
  2. Step 2: Convert to fraction form
    11,601.81/17,375.63 = 8,474.09/x
  3. Step 3: Cross multiply
    11,601.81x = 17,375.63 × 8,474.09
  4. Step 4: Simplify right side
    11,601.81x = 147,242,523.18
  5. Step 5: Solve for x
    x = 147,242,523.18/11,601.81
  6. Step 6: Final answer
    x = 12,691.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.