Home / 10,963.30-16,426.05-5,107.90

Finding the Fourth Proportional to 10,963.30, 16,426.05 and 5,107.90

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Solution

The fourth proportional to 10,963.30, 16,426.05 and 5,107.90 is: 7,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.30 : 16,426.05 = 5,107.90 : x
  2. Step 2: Convert to fraction form
    10,963.30/16,426.05 = 5,107.90/x
  3. Step 3: Cross multiply
    10,963.30x = 16,426.05 × 5,107.90
  4. Step 4: Simplify right side
    10,963.30x = 83,902,620.80
  5. Step 5: Solve for x
    x = 83,902,620.80/10,963.30
  6. Step 6: Final answer
    x = 7,653.04

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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.