Home / 7,662.12-11,501.28-3,769.26

Finding the Fourth Proportional to 7,662.12, 11,501.28 and 3,769.26

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Solution

The fourth proportional to 7,662.12, 11,501.28 and 3,769.26 is: 5,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.12 : 11,501.28 = 3,769.26 : x
  2. Step 2: Convert to fraction form
    7,662.12/11,501.28 = 3,769.26/x
  3. Step 3: Cross multiply
    7,662.12x = 11,501.28 × 3,769.26
  4. Step 4: Simplify right side
    7,662.12x = 43,351,314.65
  5. Step 5: Solve for x
    x = 43,351,314.65/7,662.12
  6. Step 6: Final answer
    x = 5,657.87

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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.