Home / 10,651.15-15,976.72-2,859.96

Finding the Fourth Proportional to 10,651.15, 15,976.72 and 2,859.96

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Solution

The fourth proportional to 10,651.15, 15,976.72 and 2,859.96 is: 4,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.15 : 15,976.72 = 2,859.96 : x
  2. Step 2: Convert to fraction form
    10,651.15/15,976.72 = 2,859.96/x
  3. Step 3: Cross multiply
    10,651.15x = 15,976.72 × 2,859.96
  4. Step 4: Simplify right side
    10,651.15x = 45,692,780.13
  5. Step 5: Solve for x
    x = 45,692,780.13/10,651.15
  6. Step 6: Final answer
    x = 4,289.94

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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.