Home / 11,872.20-17,817.06-5,632.18

Finding the Fourth Proportional to 11,872.20, 17,817.06 and 5,632.18

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Solution

The fourth proportional to 11,872.20, 17,817.06 and 5,632.18 is: 8,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.20 : 17,817.06 = 5,632.18 : x
  2. Step 2: Convert to fraction form
    11,872.20/17,817.06 = 5,632.18/x
  3. Step 3: Cross multiply
    11,872.20x = 17,817.06 × 5,632.18
  4. Step 4: Simplify right side
    11,872.20x = 100,348,888.99
  5. Step 5: Solve for x
    x = 100,348,888.99/11,872.20
  6. Step 6: Final answer
    x = 8,452.43

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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.