Home / 7,787.43-11,674.62-3,104.55

Finding the Fourth Proportional to 7,787.43, 11,674.62 and 3,104.55

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Solution

The fourth proportional to 7,787.43, 11,674.62 and 3,104.55 is: 4,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.43 : 11,674.62 = 3,104.55 : x
  2. Step 2: Convert to fraction form
    7,787.43/11,674.62 = 3,104.55/x
  3. Step 3: Cross multiply
    7,787.43x = 11,674.62 × 3,104.55
  4. Step 4: Simplify right side
    7,787.43x = 36,244,441.52
  5. Step 5: Solve for x
    x = 36,244,441.52/7,787.43
  6. Step 6: Final answer
    x = 4,654.22

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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.