Home / 11,994.12-16,553.34-7,279.80

Finding the Fourth Proportional to 11,994.12, 16,553.34 and 7,279.80

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Solution

The fourth proportional to 11,994.12, 16,553.34 and 7,279.80 is: 10,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.12 : 16,553.34 = 7,279.80 : x
  2. Step 2: Convert to fraction form
    11,994.12/16,553.34 = 7,279.80/x
  3. Step 3: Cross multiply
    11,994.12x = 16,553.34 × 7,279.80
  4. Step 4: Simplify right side
    11,994.12x = 120,505,004.53
  5. Step 5: Solve for x
    x = 120,505,004.53/11,994.12
  6. Step 6: Final answer
    x = 10,047.01

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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.