Home / 11,498.84-17,247.92-3,179.36

Finding the Fourth Proportional to 11,498.84, 17,247.92 and 3,179.36

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Solution

The fourth proportional to 11,498.84, 17,247.92 and 3,179.36 is: 4,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.84 : 17,247.92 = 3,179.36 : x
  2. Step 2: Convert to fraction form
    11,498.84/17,247.92 = 3,179.36/x
  3. Step 3: Cross multiply
    11,498.84x = 17,247.92 × 3,179.36
  4. Step 4: Simplify right side
    11,498.84x = 54,837,346.93
  5. Step 5: Solve for x
    x = 54,837,346.93/11,498.84
  6. Step 6: Final answer
    x = 4,768.95

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1.5x scale

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.