Home / 11,771.72-17,641.16-8,846.60

Finding the Fourth Proportional to 11,771.72, 17,641.16 and 8,846.60

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Solution

The fourth proportional to 11,771.72, 17,641.16 and 8,846.60 is: 13,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.72 : 17,641.16 = 8,846.60 : x
  2. Step 2: Convert to fraction form
    11,771.72/17,641.16 = 8,846.60/x
  3. Step 3: Cross multiply
    11,771.72x = 17,641.16 × 8,846.60
  4. Step 4: Simplify right side
    11,771.72x = 156,064,286.06
  5. Step 5: Solve for x
    x = 156,064,286.06/11,771.72
  6. Step 6: Final answer
    x = 13,257.56

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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.