Home / 11,680.24-16,118.92-6,967.28

Finding the Fourth Proportional to 11,680.24, 16,118.92 and 6,967.28

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Solution

The fourth proportional to 11,680.24, 16,118.92 and 6,967.28 is: 9,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.24 : 16,118.92 = 6,967.28 : x
  2. Step 2: Convert to fraction form
    11,680.24/16,118.92 = 6,967.28/x
  3. Step 3: Cross multiply
    11,680.24x = 16,118.92 × 6,967.28
  4. Step 4: Simplify right side
    11,680.24x = 112,305,028.94
  5. Step 5: Solve for x
    x = 112,305,028.94/11,680.24
  6. Step 6: Final answer
    x = 9,614.96

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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.