Home / 10,977.46-16,462.06-3,480.14

Finding the Fourth Proportional to 10,977.46, 16,462.06 and 3,480.14

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Solution

The fourth proportional to 10,977.46, 16,462.06 and 3,480.14 is: 5,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.46 : 16,462.06 = 3,480.14 : x
  2. Step 2: Convert to fraction form
    10,977.46/16,462.06 = 3,480.14/x
  3. Step 3: Cross multiply
    10,977.46x = 16,462.06 × 3,480.14
  4. Step 4: Simplify right side
    10,977.46x = 57,290,305.94
  5. Step 5: Solve for x
    x = 57,290,305.94/10,977.46
  6. Step 6: Final answer
    x = 5,218.90

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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.