Home / 8,608.43-11,878.68-5,252.15

Finding the Fourth Proportional to 8,608.43, 11,878.68 and 5,252.15

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Solution

The fourth proportional to 8,608.43, 11,878.68 and 5,252.15 is: 7,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.43 : 11,878.68 = 5,252.15 : x
  2. Step 2: Convert to fraction form
    8,608.43/11,878.68 = 5,252.15/x
  3. Step 3: Cross multiply
    8,608.43x = 11,878.68 × 5,252.15
  4. Step 4: Simplify right side
    8,608.43x = 62,388,609.16
  5. Step 5: Solve for x
    x = 62,388,609.16/8,608.43
  6. Step 6: Final answer
    x = 7,247.39

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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.