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Finding the Fourth Proportional to 11,794.68, 16,269.90 and 7,371

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Solution

The fourth proportional to 11,794.68, 16,269.90 and 7,371 is: 10,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.68 : 16,269.90 = 7,371 : x
  2. Step 2: Convert to fraction form
    11,794.68/16,269.90 = 7,371/x
  3. Step 3: Cross multiply
    11,794.68x = 16,269.90 × 7,371
  4. Step 4: Simplify right side
    11,794.68x = 119,925,432.90
  5. Step 5: Solve for x
    x = 119,925,432.90/11,794.68
  6. Step 6: Final answer
    x = 10,167.76

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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.