Home / 11,996.24-17,990.04-5,071.28

Finding the Fourth Proportional to 11,996.24, 17,990.04 and 5,071.28

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Solution

The fourth proportional to 11,996.24, 17,990.04 and 5,071.28 is: 7,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.24 : 17,990.04 = 5,071.28 : x
  2. Step 2: Convert to fraction form
    11,996.24/17,990.04 = 5,071.28/x
  3. Step 3: Cross multiply
    11,996.24x = 17,990.04 × 5,071.28
  4. Step 4: Simplify right side
    11,996.24x = 91,232,530.05
  5. Step 5: Solve for x
    x = 91,232,530.05/11,996.24
  6. Step 6: Final answer
    x = 7,605.09

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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.