Home / 10,731.80-16,105.80-4,074.14

Finding the Fourth Proportional to 10,731.80, 16,105.80 and 4,074.14

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Solution

The fourth proportional to 10,731.80, 16,105.80 and 4,074.14 is: 6,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.80 : 16,105.80 = 4,074.14 : x
  2. Step 2: Convert to fraction form
    10,731.80/16,105.80 = 4,074.14/x
  3. Step 3: Cross multiply
    10,731.80x = 16,105.80 × 4,074.14
  4. Step 4: Simplify right side
    10,731.80x = 65,617,284.01
  5. Step 5: Solve for x
    x = 65,617,284.01/10,731.80
  6. Step 6: Final answer
    x = 6,114.29

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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.