Home / 11,816.40-17,719.18-4,022.04

Finding the Fourth Proportional to 11,816.40, 17,719.18 and 4,022.04

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Solution

The fourth proportional to 11,816.40, 17,719.18 and 4,022.04 is: 6,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.40 : 17,719.18 = 4,022.04 : x
  2. Step 2: Convert to fraction form
    11,816.40/17,719.18 = 4,022.04/x
  3. Step 3: Cross multiply
    11,816.40x = 17,719.18 × 4,022.04
  4. Step 4: Simplify right side
    11,816.40x = 71,267,250.73
  5. Step 5: Solve for x
    x = 71,267,250.73/11,816.40
  6. Step 6: Final answer
    x = 6,031.22

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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.