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Finding the Fourth Proportional to 8,793.24, 12,135.06 and 5,256.38

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Solution

The fourth proportional to 8,793.24, 12,135.06 and 5,256.38 is: 7,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.24 : 12,135.06 = 5,256.38 : x
  2. Step 2: Convert to fraction form
    8,793.24/12,135.06 = 5,256.38/x
  3. Step 3: Cross multiply
    8,793.24x = 12,135.06 × 5,256.38
  4. Step 4: Simplify right side
    8,793.24x = 63,786,426.01
  5. Step 5: Solve for x
    x = 63,786,426.01/8,793.24
  6. Step 6: Final answer
    x = 7,254.03

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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.