Home / 10,651.91-15,979.92-4,808.52

Finding the Fourth Proportional to 10,651.91, 15,979.92 and 4,808.52

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Solution

The fourth proportional to 10,651.91, 15,979.92 and 4,808.52 is: 7,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.91 : 15,979.92 = 4,808.52 : x
  2. Step 2: Convert to fraction form
    10,651.91/15,979.92 = 4,808.52/x
  3. Step 3: Cross multiply
    10,651.91x = 15,979.92 × 4,808.52
  4. Step 4: Simplify right side
    10,651.91x = 76,839,740.88
  5. Step 5: Solve for x
    x = 76,839,740.88/10,651.91
  6. Step 6: Final answer
    x = 7,213.71

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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.