Home / 11,673.57-17,508.20-3,880.29

Finding the Fourth Proportional to 11,673.57, 17,508.20 and 3,880.29

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Solution

The fourth proportional to 11,673.57, 17,508.20 and 3,880.29 is: 5,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.57 : 17,508.20 = 3,880.29 : x
  2. Step 2: Convert to fraction form
    11,673.57/17,508.20 = 3,880.29/x
  3. Step 3: Cross multiply
    11,673.57x = 17,508.20 × 3,880.29
  4. Step 4: Simplify right side
    11,673.57x = 67,936,873.98
  5. Step 5: Solve for x
    x = 67,936,873.98/11,673.57
  6. Step 6: Final answer
    x = 5,819.72

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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.