Home / 7,769.62-11,660.46-3,614.32

Finding the Fourth Proportional to 7,769.62, 11,660.46 and 3,614.32

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Solution

The fourth proportional to 7,769.62, 11,660.46 and 3,614.32 is: 5,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.62 : 11,660.46 = 3,614.32 : x
  2. Step 2: Convert to fraction form
    7,769.62/11,660.46 = 3,614.32/x
  3. Step 3: Cross multiply
    7,769.62x = 11,660.46 × 3,614.32
  4. Step 4: Simplify right side
    7,769.62x = 42,144,633.79
  5. Step 5: Solve for x
    x = 42,144,633.79/7,769.62
  6. Step 6: Final answer
    x = 5,424.29

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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.