Home / 7,812.62-11,719.53-2,266.04

Finding the Fourth Proportional to 7,812.62, 11,719.53 and 2,266.04

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Solution

The fourth proportional to 7,812.62, 11,719.53 and 2,266.04 is: 3,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.62 : 11,719.53 = 2,266.04 : x
  2. Step 2: Convert to fraction form
    7,812.62/11,719.53 = 2,266.04/x
  3. Step 3: Cross multiply
    7,812.62x = 11,719.53 × 2,266.04
  4. Step 4: Simplify right side
    7,812.62x = 26,556,923.76
  5. Step 5: Solve for x
    x = 26,556,923.76/7,812.62
  6. Step 6: Final answer
    x = 3,399.23

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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.