Home / 11,172.48-15,418.56-6,204.48

Finding the Fourth Proportional to 11,172.48, 15,418.56 and 6,204.48

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Solution

The fourth proportional to 11,172.48, 15,418.56 and 6,204.48 is: 8,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.48 : 15,418.56 = 6,204.48 : x
  2. Step 2: Convert to fraction form
    11,172.48/15,418.56 = 6,204.48/x
  3. Step 3: Cross multiply
    11,172.48x = 15,418.56 × 6,204.48
  4. Step 4: Simplify right side
    11,172.48x = 95,664,147.15
  5. Step 5: Solve for x
    x = 95,664,147.15/11,172.48
  6. Step 6: Final answer
    x = 8,562.48

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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.