Home / 10,834.75-16,239.84-4,979.26

Finding the Fourth Proportional to 10,834.75, 16,239.84 and 4,979.26

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Solution

The fourth proportional to 10,834.75, 16,239.84 and 4,979.26 is: 7,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.75 : 16,239.84 = 4,979.26 : x
  2. Step 2: Convert to fraction form
    10,834.75/16,239.84 = 4,979.26/x
  3. Step 3: Cross multiply
    10,834.75x = 16,239.84 × 4,979.26
  4. Step 4: Simplify right side
    10,834.75x = 80,862,385.72
  5. Step 5: Solve for x
    x = 80,862,385.72/10,834.75
  6. Step 6: Final answer
    x = 7,463.24

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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.