Home / 11,244.44-15,531.11-8,424.42

Finding the Fourth Proportional to 11,244.44, 15,531.11 and 8,424.42

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Solution

The fourth proportional to 11,244.44, 15,531.11 and 8,424.42 is: 11,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.44 : 15,531.11 = 8,424.42 : x
  2. Step 2: Convert to fraction form
    11,244.44/15,531.11 = 8,424.42/x
  3. Step 3: Cross multiply
    11,244.44x = 15,531.11 × 8,424.42
  4. Step 4: Simplify right side
    11,244.44x = 130,840,551.58
  5. Step 5: Solve for x
    x = 130,840,551.58/11,244.44
  6. Step 6: Final answer
    x = 11,636.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.