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Finding the Fourth Proportional to 11,730.91, 16,190.94 and 6,951.91

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Solution

The fourth proportional to 11,730.91, 16,190.94 and 6,951.91 is: 9,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.91 : 16,190.94 = 6,951.91 : x
  2. Step 2: Convert to fraction form
    11,730.91/16,190.94 = 6,951.91/x
  3. Step 3: Cross multiply
    11,730.91x = 16,190.94 × 6,951.91
  4. Step 4: Simplify right side
    11,730.91x = 112,557,957.70
  5. Step 5: Solve for x
    x = 112,557,957.70/11,730.91
  6. Step 6: Final answer
    x = 9,594.99

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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.