Home / 11,796.03-16,279.11-6,490.80

Finding the Fourth Proportional to 11,796.03, 16,279.11 and 6,490.80

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Solution

The fourth proportional to 11,796.03, 16,279.11 and 6,490.80 is: 8,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.03 : 16,279.11 = 6,490.80 : x
  2. Step 2: Convert to fraction form
    11,796.03/16,279.11 = 6,490.80/x
  3. Step 3: Cross multiply
    11,796.03x = 16,279.11 × 6,490.80
  4. Step 4: Simplify right side
    11,796.03x = 105,664,447.19
  5. Step 5: Solve for x
    x = 105,664,447.19/11,796.03
  6. Step 6: Final answer
    x = 8,957.63

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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.