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Finding the Fourth Proportional to 8,892.18, 12,264.21 and 8,296.02

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Solution

The fourth proportional to 8,892.18, 12,264.21 and 8,296.02 is: 11,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.18 : 12,264.21 = 8,296.02 : x
  2. Step 2: Convert to fraction form
    8,892.18/12,264.21 = 8,296.02/x
  3. Step 3: Cross multiply
    8,892.18x = 12,264.21 × 8,296.02
  4. Step 4: Simplify right side
    8,892.18x = 101,744,131.44
  5. Step 5: Solve for x
    x = 101,744,131.44/8,892.18
  6. Step 6: Final answer
    x = 11,441.98

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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.