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Finding the Fourth Proportional to 10,884.52, 15,020.22 and 6,168.52

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Solution

The fourth proportional to 10,884.52, 15,020.22 and 6,168.52 is: 8,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.52 : 15,020.22 = 6,168.52 : x
  2. Step 2: Convert to fraction form
    10,884.52/15,020.22 = 6,168.52/x
  3. Step 3: Cross multiply
    10,884.52x = 15,020.22 × 6,168.52
  4. Step 4: Simplify right side
    10,884.52x = 92,652,527.47
  5. Step 5: Solve for x
    x = 92,652,527.47/10,884.52
  6. Step 6: Final answer
    x = 8,512.32

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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.