Home / 11,719.79-17,582.03-4,324.28

Finding the Fourth Proportional to 11,719.79, 17,582.03 and 4,324.28

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Solution

The fourth proportional to 11,719.79, 17,582.03 and 4,324.28 is: 6,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.79 : 17,582.03 = 4,324.28 : x
  2. Step 2: Convert to fraction form
    11,719.79/17,582.03 = 4,324.28/x
  3. Step 3: Cross multiply
    11,719.79x = 17,582.03 × 4,324.28
  4. Step 4: Simplify right side
    11,719.79x = 76,029,511.16
  5. Step 5: Solve for x
    x = 76,029,511.16/11,719.79
  6. Step 6: Final answer
    x = 6,487.28

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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.