Home / 7,994.13-11,996.55-2,800.01

Finding the Fourth Proportional to 7,994.13, 11,996.55 and 2,800.01

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Solution

The fourth proportional to 7,994.13, 11,996.55 and 2,800.01 is: 4,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.13 : 11,996.55 = 2,800.01 : x
  2. Step 2: Convert to fraction form
    7,994.13/11,996.55 = 2,800.01/x
  3. Step 3: Cross multiply
    7,994.13x = 11,996.55 × 2,800.01
  4. Step 4: Simplify right side
    7,994.13x = 33,590,399.98
  5. Step 5: Solve for x
    x = 33,590,399.98/7,994.13
  6. Step 6: Final answer
    x = 4,201.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.