Home / 11,768.58-17,656.92-5,920.38

Finding the Fourth Proportional to 11,768.58, 17,656.92 and 5,920.38

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Solution

The fourth proportional to 11,768.58, 17,656.92 and 5,920.38 is: 8,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.58 : 17,656.92 = 5,920.38 : x
  2. Step 2: Convert to fraction form
    11,768.58/17,656.92 = 5,920.38/x
  3. Step 3: Cross multiply
    11,768.58x = 17,656.92 × 5,920.38
  4. Step 4: Simplify right side
    11,768.58x = 104,535,676.03
  5. Step 5: Solve for x
    x = 104,535,676.03/11,768.58
  6. Step 6: Final answer
    x = 8,882.61

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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.