Home / 11,728.82-16,184.90-7,252.68

Finding the Fourth Proportional to 11,728.82, 16,184.90 and 7,252.68

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Solution

The fourth proportional to 11,728.82, 16,184.90 and 7,252.68 is: 10,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.82 : 16,184.90 = 7,252.68 : x
  2. Step 2: Convert to fraction form
    11,728.82/16,184.90 = 7,252.68/x
  3. Step 3: Cross multiply
    11,728.82x = 16,184.90 × 7,252.68
  4. Step 4: Simplify right side
    11,728.82x = 117,383,864.27
  5. Step 5: Solve for x
    x = 117,383,864.27/11,728.82
  6. Step 6: Final answer
    x = 10,008.16

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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.