Home / 9,942.82-13,722.14-5,964.30

Finding the Fourth Proportional to 9,942.82, 13,722.14 and 5,964.30

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Solution

The fourth proportional to 9,942.82, 13,722.14 and 5,964.30 is: 8,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.82 : 13,722.14 = 5,964.30 : x
  2. Step 2: Convert to fraction form
    9,942.82/13,722.14 = 5,964.30/x
  3. Step 3: Cross multiply
    9,942.82x = 13,722.14 × 5,964.30
  4. Step 4: Simplify right side
    9,942.82x = 81,842,974.51
  5. Step 5: Solve for x
    x = 81,842,974.51/9,942.82
  6. Step 6: Final answer
    x = 8,231.37

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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.