Home / 11,946.20-17,919.33-3,626.28

Finding the Fourth Proportional to 11,946.20, 17,919.33 and 3,626.28

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Solution

The fourth proportional to 11,946.20, 17,919.33 and 3,626.28 is: 5,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.20 : 17,919.33 = 3,626.28 : x
  2. Step 2: Convert to fraction form
    11,946.20/17,919.33 = 3,626.28/x
  3. Step 3: Cross multiply
    11,946.20x = 17,919.33 × 3,626.28
  4. Step 4: Simplify right side
    11,946.20x = 64,980,507.99
  5. Step 5: Solve for x
    x = 64,980,507.99/11,946.20
  6. Step 6: Final answer
    x = 5,439.43

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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.