Home / 10,899.04-16,351.28-3,107.92

Finding the Fourth Proportional to 10,899.04, 16,351.28 and 3,107.92

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Solution

The fourth proportional to 10,899.04, 16,351.28 and 3,107.92 is: 4,662.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.04 : 16,351.28 = 3,107.92 : x
  2. Step 2: Convert to fraction form
    10,899.04/16,351.28 = 3,107.92/x
  3. Step 3: Cross multiply
    10,899.04x = 16,351.28 × 3,107.92
  4. Step 4: Simplify right side
    10,899.04x = 50,818,470.14
  5. Step 5: Solve for x
    x = 50,818,470.14/10,899.04
  6. Step 6: Final answer
    x = 4,662.66

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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.