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Finding the Fourth Proportional to 8,453.70, 11,659.04 and 6,334.23

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Solution

The fourth proportional to 8,453.70, 11,659.04 and 6,334.23 is: 8,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.70 : 11,659.04 = 6,334.23 : x
  2. Step 2: Convert to fraction form
    8,453.70/11,659.04 = 6,334.23/x
  3. Step 3: Cross multiply
    8,453.70x = 11,659.04 × 6,334.23
  4. Step 4: Simplify right side
    8,453.70x = 73,851,076.74
  5. Step 5: Solve for x
    x = 73,851,076.74/8,453.70
  6. Step 6: Final answer
    x = 8,735.95

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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.