Home / 12,481.50-17,224.47-6,892.86

Finding the Fourth Proportional to 12,481.50, 17,224.47 and 6,892.86

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Solution

The fourth proportional to 12,481.50, 17,224.47 and 6,892.86 is: 9,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.50 : 17,224.47 = 6,892.86 : x
  2. Step 2: Convert to fraction form
    12,481.50/17,224.47 = 6,892.86/x
  3. Step 3: Cross multiply
    12,481.50x = 17,224.47 × 6,892.86
  4. Step 4: Simplify right side
    12,481.50x = 118,725,860.28
  5. Step 5: Solve for x
    x = 118,725,860.28/12,481.50
  6. Step 6: Final answer
    x = 9,512.15

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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.