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Finding the Fourth Proportional to 8,893, 12,273.06 and 5,167.72

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Solution

The fourth proportional to 8,893, 12,273.06 and 5,167.72 is: 7,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893 : 12,273.06 = 5,167.72 : x
  2. Step 2: Convert to fraction form
    8,893/12,273.06 = 5,167.72/x
  3. Step 3: Cross multiply
    8,893x = 12,273.06 × 5,167.72
  4. Step 4: Simplify right side
    8,893x = 63,423,737.62
  5. Step 5: Solve for x
    x = 63,423,737.62/8,893
  6. Step 6: Final answer
    x = 7,131.87

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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.