Home / 17,108.94-25,645.86-8,211.36

Finding the Fourth Proportional to 17,108.94, 25,645.86 and 8,211.36

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Solution

The fourth proportional to 17,108.94, 25,645.86 and 8,211.36 is: 12,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.94 : 25,645.86 = 8,211.36 : x
  2. Step 2: Convert to fraction form
    17,108.94/25,645.86 = 8,211.36/x
  3. Step 3: Cross multiply
    17,108.94x = 25,645.86 × 8,211.36
  4. Step 4: Simplify right side
    17,108.94x = 210,587,388.97
  5. Step 5: Solve for x
    x = 210,587,388.97/17,108.94
  6. Step 6: Final answer
    x = 12,308.62

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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.