Home / 10,650.92-15,976.44-2,859.08

Finding the Fourth Proportional to 10,650.92, 15,976.44 and 2,859.08

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Solution

The fourth proportional to 10,650.92, 15,976.44 and 2,859.08 is: 4,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.92 : 15,976.44 = 2,859.08 : x
  2. Step 2: Convert to fraction form
    10,650.92/15,976.44 = 2,859.08/x
  3. Step 3: Cross multiply
    10,650.92x = 15,976.44 × 2,859.08
  4. Step 4: Simplify right side
    10,650.92x = 45,677,920.08
  5. Step 5: Solve for x
    x = 45,677,920.08/10,650.92
  6. Step 6: Final answer
    x = 4,288.64

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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.