Home / 11,722.41-17,573.85-5,479.11

Finding the Fourth Proportional to 11,722.41, 17,573.85 and 5,479.11

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Solution

The fourth proportional to 11,722.41, 17,573.85 and 5,479.11 is: 8,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.41 : 17,573.85 = 5,479.11 : x
  2. Step 2: Convert to fraction form
    11,722.41/17,573.85 = 5,479.11/x
  3. Step 3: Cross multiply
    11,722.41x = 17,573.85 × 5,479.11
  4. Step 4: Simplify right side
    11,722.41x = 96,289,057.27
  5. Step 5: Solve for x
    x = 96,289,057.27/11,722.41
  6. Step 6: Final answer
    x = 8,214.10

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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.