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Finding the Fourth Proportional to 10,893.24, 15,033.24 and 8,236.08

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Solution

The fourth proportional to 10,893.24, 15,033.24 and 8,236.08 is: 11,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.24 : 15,033.24 = 8,236.08 : x
  2. Step 2: Convert to fraction form
    10,893.24/15,033.24 = 8,236.08/x
  3. Step 3: Cross multiply
    10,893.24x = 15,033.24 × 8,236.08
  4. Step 4: Simplify right side
    10,893.24x = 123,814,967.30
  5. Step 5: Solve for x
    x = 123,814,967.30/10,893.24
  6. Step 6: Final answer
    x = 11,366.22

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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.