Home / 10,748.91-16,120.49-2,958.15

Finding the Fourth Proportional to 10,748.91, 16,120.49 and 2,958.15

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Solution

The fourth proportional to 10,748.91, 16,120.49 and 2,958.15 is: 4,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.91 : 16,120.49 = 2,958.15 : x
  2. Step 2: Convert to fraction form
    10,748.91/16,120.49 = 2,958.15/x
  3. Step 3: Cross multiply
    10,748.91x = 16,120.49 × 2,958.15
  4. Step 4: Simplify right side
    10,748.91x = 47,686,812.70
  5. Step 5: Solve for x
    x = 47,686,812.70/10,748.91
  6. Step 6: Final answer
    x = 4,436.43

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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.