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Finding the Fourth Proportional to 11,934.98, 16,469.02 and 6,898.80

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Solution

The fourth proportional to 11,934.98, 16,469.02 and 6,898.80 is: 9,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.98 : 16,469.02 = 6,898.80 : x
  2. Step 2: Convert to fraction form
    11,934.98/16,469.02 = 6,898.80/x
  3. Step 3: Cross multiply
    11,934.98x = 16,469.02 × 6,898.80
  4. Step 4: Simplify right side
    11,934.98x = 113,616,475.18
  5. Step 5: Solve for x
    x = 113,616,475.18/11,934.98
  6. Step 6: Final answer
    x = 9,519.62

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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.