Home / 11,727.24-16,179.06-7,243.29

Finding the Fourth Proportional to 11,727.24, 16,179.06 and 7,243.29

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Solution

The fourth proportional to 11,727.24, 16,179.06 and 7,243.29 is: 9,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.24 : 16,179.06 = 7,243.29 : x
  2. Step 2: Convert to fraction form
    11,727.24/16,179.06 = 7,243.29/x
  3. Step 3: Cross multiply
    11,727.24x = 16,179.06 × 7,243.29
  4. Step 4: Simplify right side
    11,727.24x = 117,189,623.51
  5. Step 5: Solve for x
    x = 117,189,623.51/11,727.24
  6. Step 6: Final answer
    x = 9,992.94

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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.