Home / 11,329.11-16,992.28-5,786.45

Finding the Fourth Proportional to 11,329.11, 16,992.28 and 5,786.45

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Solution

The fourth proportional to 11,329.11, 16,992.28 and 5,786.45 is: 8,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.11 : 16,992.28 = 5,786.45 : x
  2. Step 2: Convert to fraction form
    11,329.11/16,992.28 = 5,786.45/x
  3. Step 3: Cross multiply
    11,329.11x = 16,992.28 × 5,786.45
  4. Step 4: Simplify right side
    11,329.11x = 98,324,964.60
  5. Step 5: Solve for x
    x = 98,324,964.60/11,329.11
  6. Step 6: Final answer
    x = 8,678.97

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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.