Home / 11,650.92-17,479.14-5,078.28

Finding the Fourth Proportional to 11,650.92, 17,479.14 and 5,078.28

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Solution

The fourth proportional to 11,650.92, 17,479.14 and 5,078.28 is: 7,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.92 : 17,479.14 = 5,078.28 : x
  2. Step 2: Convert to fraction form
    11,650.92/17,479.14 = 5,078.28/x
  3. Step 3: Cross multiply
    11,650.92x = 17,479.14 × 5,078.28
  4. Step 4: Simplify right side
    11,650.92x = 88,763,967.08
  5. Step 5: Solve for x
    x = 88,763,967.08/11,650.92
  6. Step 6: Final answer
    x = 7,618.62

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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.