Home / 11,445.68-17,144.92-5,505.02

Finding the Fourth Proportional to 11,445.68, 17,144.92 and 5,505.02

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Solution

The fourth proportional to 11,445.68, 17,144.92 and 5,505.02 is: 8,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.68 : 17,144.92 = 5,505.02 : x
  2. Step 2: Convert to fraction form
    11,445.68/17,144.92 = 5,505.02/x
  3. Step 3: Cross multiply
    11,445.68x = 17,144.92 × 5,505.02
  4. Step 4: Simplify right side
    11,445.68x = 94,383,128.87
  5. Step 5: Solve for x
    x = 94,383,128.87/11,445.68
  6. Step 6: Final answer
    x = 8,246.18

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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.