Home / 10,680.85-16,020.46-2,889.46

Finding the Fourth Proportional to 10,680.85, 16,020.46 and 2,889.46

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Solution

The fourth proportional to 10,680.85, 16,020.46 and 2,889.46 is: 4,333.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.85 : 16,020.46 = 2,889.46 : x
  2. Step 2: Convert to fraction form
    10,680.85/16,020.46 = 2,889.46/x
  3. Step 3: Cross multiply
    10,680.85x = 16,020.46 × 2,889.46
  4. Step 4: Simplify right side
    10,680.85x = 46,290,478.35
  5. Step 5: Solve for x
    x = 46,290,478.35/10,680.85
  6. Step 6: Final answer
    x = 4,333.97

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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.