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Finding the Fourth Proportional to 8,363.96, 11,536.22 and 7,103.03

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Solution

The fourth proportional to 8,363.96, 11,536.22 and 7,103.03 is: 9,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.96 : 11,536.22 = 7,103.03 : x
  2. Step 2: Convert to fraction form
    8,363.96/11,536.22 = 7,103.03/x
  3. Step 3: Cross multiply
    8,363.96x = 11,536.22 × 7,103.03
  4. Step 4: Simplify right side
    8,363.96x = 81,942,059.07
  5. Step 5: Solve for x
    x = 81,942,059.07/8,363.96
  6. Step 6: Final answer
    x = 9,797.04

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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.