Home / 10,930.80-16,396.49-4,267.03

Finding the Fourth Proportional to 10,930.80, 16,396.49 and 4,267.03

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Solution

The fourth proportional to 10,930.80, 16,396.49 and 4,267.03 is: 6,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.80 : 16,396.49 = 4,267.03 : x
  2. Step 2: Convert to fraction form
    10,930.80/16,396.49 = 4,267.03/x
  3. Step 3: Cross multiply
    10,930.80x = 16,396.49 × 4,267.03
  4. Step 4: Simplify right side
    10,930.80x = 69,964,315.14
  5. Step 5: Solve for x
    x = 69,964,315.14/10,930.80
  6. Step 6: Final answer
    x = 6,400.66

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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.