Home / 10,827.75-16,241.70-3,807.75

Finding the Fourth Proportional to 10,827.75, 16,241.70 and 3,807.75

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Solution

The fourth proportional to 10,827.75, 16,241.70 and 3,807.75 is: 5,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.75 : 16,241.70 = 3,807.75 : x
  2. Step 2: Convert to fraction form
    10,827.75/16,241.70 = 3,807.75/x
  3. Step 3: Cross multiply
    10,827.75x = 16,241.70 × 3,807.75
  4. Step 4: Simplify right side
    10,827.75x = 61,844,333.18
  5. Step 5: Solve for x
    x = 61,844,333.18/10,827.75
  6. Step 6: Final answer
    x = 5,711.65

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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.