Home / 7,964.96-11,939.64-4,456.68

Finding the Fourth Proportional to 7,964.96, 11,939.64 and 4,456.68

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Solution

The fourth proportional to 7,964.96, 11,939.64 and 4,456.68 is: 6,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.96 : 11,939.64 = 4,456.68 : x
  2. Step 2: Convert to fraction form
    7,964.96/11,939.64 = 4,456.68/x
  3. Step 3: Cross multiply
    7,964.96x = 11,939.64 × 4,456.68
  4. Step 4: Simplify right side
    7,964.96x = 53,211,154.80
  5. Step 5: Solve for x
    x = 53,211,154.80/7,964.96
  6. Step 6: Final answer
    x = 6,680.66

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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.