Home / 8,455.73-11,674.25-5,771.44

Finding the Fourth Proportional to 8,455.73, 11,674.25 and 5,771.44

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Solution

The fourth proportional to 8,455.73, 11,674.25 and 5,771.44 is: 7,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.73 : 11,674.25 = 5,771.44 : x
  2. Step 2: Convert to fraction form
    8,455.73/11,674.25 = 5,771.44/x
  3. Step 3: Cross multiply
    8,455.73x = 11,674.25 × 5,771.44
  4. Step 4: Simplify right side
    8,455.73x = 67,377,257.09
  5. Step 5: Solve for x
    x = 67,377,257.09/8,455.73
  6. Step 6: Final answer
    x = 7,968.24

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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.