Home / 11,172.96-15,418.94-6,137.26

Finding the Fourth Proportional to 11,172.96, 15,418.94 and 6,137.26

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Solution

The fourth proportional to 11,172.96, 15,418.94 and 6,137.26 is: 8,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.96 : 15,418.94 = 6,137.26 : x
  2. Step 2: Convert to fraction form
    11,172.96/15,418.94 = 6,137.26/x
  3. Step 3: Cross multiply
    11,172.96x = 15,418.94 × 6,137.26
  4. Step 4: Simplify right side
    11,172.96x = 94,630,043.70
  5. Step 5: Solve for x
    x = 94,630,043.70/11,172.96
  6. Step 6: Final answer
    x = 8,469.56

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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.