Home / 7,633.91-11,445.03-5,287.17

Finding the Fourth Proportional to 7,633.91, 11,445.03 and 5,287.17

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Solution

The fourth proportional to 7,633.91, 11,445.03 and 5,287.17 is: 7,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.91 : 11,445.03 = 5,287.17 : x
  2. Step 2: Convert to fraction form
    7,633.91/11,445.03 = 5,287.17/x
  3. Step 3: Cross multiply
    7,633.91x = 11,445.03 × 5,287.17
  4. Step 4: Simplify right side
    7,633.91x = 60,511,819.27
  5. Step 5: Solve for x
    x = 60,511,819.27/7,633.91
  6. Step 6: Final answer
    x = 7,926.71

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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.