Home / 7,769.52-11,654.34-2,222.88

Finding the Fourth Proportional to 7,769.52, 11,654.34 and 2,222.88

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Solution

The fourth proportional to 7,769.52, 11,654.34 and 2,222.88 is: 3,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.52 : 11,654.34 = 2,222.88 : x
  2. Step 2: Convert to fraction form
    7,769.52/11,654.34 = 2,222.88/x
  3. Step 3: Cross multiply
    7,769.52x = 11,654.34 × 2,222.88
  4. Step 4: Simplify right side
    7,769.52x = 25,906,199.30
  5. Step 5: Solve for x
    x = 25,906,199.30/7,769.52
  6. Step 6: Final answer
    x = 3,334.34

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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.