Home / 10,898.88-16,348.46-3,107.69

Finding the Fourth Proportional to 10,898.88, 16,348.46 and 3,107.69

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Solution

The fourth proportional to 10,898.88, 16,348.46 and 3,107.69 is: 4,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.88 : 16,348.46 = 3,107.69 : x
  2. Step 2: Convert to fraction form
    10,898.88/16,348.46 = 3,107.69/x
  3. Step 3: Cross multiply
    10,898.88x = 16,348.46 × 3,107.69
  4. Step 4: Simplify right side
    10,898.88x = 50,805,945.66
  5. Step 5: Solve for x
    x = 50,805,945.66/10,898.88
  6. Step 6: Final answer
    x = 4,661.57

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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.