Home / 10,798.38-16,187.85-4,229.28

Finding the Fourth Proportional to 10,798.38, 16,187.85 and 4,229.28

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Solution

The fourth proportional to 10,798.38, 16,187.85 and 4,229.28 is: 6,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.38 : 16,187.85 = 4,229.28 : x
  2. Step 2: Convert to fraction form
    10,798.38/16,187.85 = 4,229.28/x
  3. Step 3: Cross multiply
    10,798.38x = 16,187.85 × 4,229.28
  4. Step 4: Simplify right side
    10,798.38x = 68,462,950.25
  5. Step 5: Solve for x
    x = 68,462,950.25/10,798.38
  6. Step 6: Final answer
    x = 6,340.11

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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.