Home / 11,469.35-17,192.40-7,771.95

Finding the Fourth Proportional to 11,469.35, 17,192.40 and 7,771.95

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Solution

The fourth proportional to 11,469.35, 17,192.40 and 7,771.95 is: 11,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.35 : 17,192.40 = 7,771.95 : x
  2. Step 2: Convert to fraction form
    11,469.35/17,192.40 = 7,771.95/x
  3. Step 3: Cross multiply
    11,469.35x = 17,192.40 × 7,771.95
  4. Step 4: Simplify right side
    11,469.35x = 133,618,487.75
  5. Step 5: Solve for x
    x = 133,618,487.75/11,469.35
  6. Step 6: Final answer
    x = 11,650.05

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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.