Home / 11,711.24-17,573.78-4,320.86

Finding the Fourth Proportional to 11,711.24, 17,573.78 and 4,320.86

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Solution

The fourth proportional to 11,711.24, 17,573.78 and 4,320.86 is: 6,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.24 : 17,573.78 = 4,320.86 : x
  2. Step 2: Convert to fraction form
    11,711.24/17,573.78 = 4,320.86/x
  3. Step 3: Cross multiply
    11,711.24x = 17,573.78 × 4,320.86
  4. Step 4: Simplify right side
    11,711.24x = 75,933,821.45
  5. Step 5: Solve for x
    x = 75,933,821.45/11,711.24
  6. Step 6: Final answer
    x = 6,483.84

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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.