Home / 10,690.68-16,033.38-3,192.36

Finding the Fourth Proportional to 10,690.68, 16,033.38 and 3,192.36

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Solution

The fourth proportional to 10,690.68, 16,033.38 and 3,192.36 is: 4,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.68 : 16,033.38 = 3,192.36 : x
  2. Step 2: Convert to fraction form
    10,690.68/16,033.38 = 3,192.36/x
  3. Step 3: Cross multiply
    10,690.68x = 16,033.38 × 3,192.36
  4. Step 4: Simplify right side
    10,690.68x = 51,184,320.98
  5. Step 5: Solve for x
    x = 51,184,320.98/10,690.68
  6. Step 6: Final answer
    x = 4,787.75

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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.