Home / 11,419.48-17,127.96-4,022.56

Finding the Fourth Proportional to 11,419.48, 17,127.96 and 4,022.56

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Solution

The fourth proportional to 11,419.48, 17,127.96 and 4,022.56 is: 6,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.48 : 17,127.96 = 4,022.56 : x
  2. Step 2: Convert to fraction form
    11,419.48/17,127.96 = 4,022.56/x
  3. Step 3: Cross multiply
    11,419.48x = 17,127.96 × 4,022.56
  4. Step 4: Simplify right side
    11,419.48x = 68,898,246.78
  5. Step 5: Solve for x
    x = 68,898,246.78/11,419.48
  6. Step 6: Final answer
    x = 6,033.40

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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.