Home / 11,108.75-15,330.04-6,072.97

Finding the Fourth Proportional to 11,108.75, 15,330.04 and 6,072.97

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Solution

The fourth proportional to 11,108.75, 15,330.04 and 6,072.97 is: 8,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.75 : 15,330.04 = 6,072.97 : x
  2. Step 2: Convert to fraction form
    11,108.75/15,330.04 = 6,072.97/x
  3. Step 3: Cross multiply
    11,108.75x = 15,330.04 × 6,072.97
  4. Step 4: Simplify right side
    11,108.75x = 93,098,873.02
  5. Step 5: Solve for x
    x = 93,098,873.02/11,108.75
  6. Step 6: Final answer
    x = 8,380.68

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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.