Home / 9,994.49-13,791.80-5,456.27

Finding the Fourth Proportional to 9,994.49, 13,791.80 and 5,456.27

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Solution

The fourth proportional to 9,994.49, 13,791.80 and 5,456.27 is: 7,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.49 : 13,791.80 = 5,456.27 : x
  2. Step 2: Convert to fraction form
    9,994.49/13,791.80 = 5,456.27/x
  3. Step 3: Cross multiply
    9,994.49x = 13,791.80 × 5,456.27
  4. Step 4: Simplify right side
    9,994.49x = 75,251,765.36
  5. Step 5: Solve for x
    x = 75,251,765.36/9,994.49
  6. Step 6: Final answer
    x = 7,529.32

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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.