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Finding the Fourth Proportional to 8,453.80, 11,659.13 and 6,334.30

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Solution

The fourth proportional to 8,453.80, 11,659.13 and 6,334.30 is: 8,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.80 : 11,659.13 = 6,334.30 : x
  2. Step 2: Convert to fraction form
    8,453.80/11,659.13 = 6,334.30/x
  3. Step 3: Cross multiply
    8,453.80x = 11,659.13 × 6,334.30
  4. Step 4: Simplify right side
    8,453.80x = 73,852,427.16
  5. Step 5: Solve for x
    x = 73,852,427.16/8,453.80
  6. Step 6: Final answer
    x = 8,736.00

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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.