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Finding the Fourth Proportional to 8,883.30, 13,322.28 and 7,319.43

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Solution

The fourth proportional to 8,883.30, 13,322.28 and 7,319.43 is: 10,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.30 : 13,322.28 = 7,319.43 : x
  2. Step 2: Convert to fraction form
    8,883.30/13,322.28 = 7,319.43/x
  3. Step 3: Cross multiply
    8,883.30x = 13,322.28 × 7,319.43
  4. Step 4: Simplify right side
    8,883.30x = 97,511,523.35
  5. Step 5: Solve for x
    x = 97,511,523.35/8,883.30
  6. Step 6: Final answer
    x = 10,976.94

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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.