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Finding the Fourth Proportional to 11,786.99, 16,267.03 and 6,482.90

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Solution

The fourth proportional to 11,786.99, 16,267.03 and 6,482.90 is: 8,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.99 : 16,267.03 = 6,482.90 : x
  2. Step 2: Convert to fraction form
    11,786.99/16,267.03 = 6,482.90/x
  3. Step 3: Cross multiply
    11,786.99x = 16,267.03 × 6,482.90
  4. Step 4: Simplify right side
    11,786.99x = 105,457,553.25
  5. Step 5: Solve for x
    x = 105,457,553.25/11,786.99
  6. Step 6: Final answer
    x = 8,946.95

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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.