Home / 11,698.20-17,550.29-3,378.86

Finding the Fourth Proportional to 11,698.20, 17,550.29 and 3,378.86

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Solution

The fourth proportional to 11,698.20, 17,550.29 and 3,378.86 is: 5,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.20 : 17,550.29 = 3,378.86 : x
  2. Step 2: Convert to fraction form
    11,698.20/17,550.29 = 3,378.86/x
  3. Step 3: Cross multiply
    11,698.20x = 17,550.29 × 3,378.86
  4. Step 4: Simplify right side
    11,698.20x = 59,299,868.22
  5. Step 5: Solve for x
    x = 59,299,868.22/11,698.20
  6. Step 6: Final answer
    x = 5,069.14

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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.