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Finding the Fourth Proportional to 11,273.94, 16,889.04 and 8,307

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Solution

The fourth proportional to 11,273.94, 16,889.04 and 8,307 is: 12,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.94 : 16,889.04 = 8,307 : x
  2. Step 2: Convert to fraction form
    11,273.94/16,889.04 = 8,307/x
  3. Step 3: Cross multiply
    11,273.94x = 16,889.04 × 8,307
  4. Step 4: Simplify right side
    11,273.94x = 140,297,255.28
  5. Step 5: Solve for x
    x = 140,297,255.28/11,273.94
  6. Step 6: Final answer
    x = 12,444.39

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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.