Home / 7,674.48-11,512.94-3,291.97

Finding the Fourth Proportional to 7,674.48, 11,512.94 and 3,291.97

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Solution

The fourth proportional to 7,674.48, 11,512.94 and 3,291.97 is: 4,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.48 : 11,512.94 = 3,291.97 : x
  2. Step 2: Convert to fraction form
    7,674.48/11,512.94 = 3,291.97/x
  3. Step 3: Cross multiply
    7,674.48x = 11,512.94 × 3,291.97
  4. Step 4: Simplify right side
    7,674.48x = 37,900,236.63
  5. Step 5: Solve for x
    x = 37,900,236.63/7,674.48
  6. Step 6: Final answer
    x = 4,938.48

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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.