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Finding the Fourth Proportional to 8,634.33, 12,965.94 and 7,548.12

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Solution

The fourth proportional to 8,634.33, 12,965.94 and 7,548.12 is: 11,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.33 : 12,965.94 = 7,548.12 : x
  2. Step 2: Convert to fraction form
    8,634.33/12,965.94 = 7,548.12/x
  3. Step 3: Cross multiply
    8,634.33x = 12,965.94 × 7,548.12
  4. Step 4: Simplify right side
    8,634.33x = 97,868,471.03
  5. Step 5: Solve for x
    x = 97,868,471.03/8,634.33
  6. Step 6: Final answer
    x = 11,334.81

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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.