Home / 10,963.05-16,433.78-5,411.85

Finding the Fourth Proportional to 10,963.05, 16,433.78 and 5,411.85

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Solution

The fourth proportional to 10,963.05, 16,433.78 and 5,411.85 is: 8,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.05 : 16,433.78 = 5,411.85 : x
  2. Step 2: Convert to fraction form
    10,963.05/16,433.78 = 5,411.85/x
  3. Step 3: Cross multiply
    10,963.05x = 16,433.78 × 5,411.85
  4. Step 4: Simplify right side
    10,963.05x = 88,937,125.23
  5. Step 5: Solve for x
    x = 88,937,125.23/10,963.05
  6. Step 6: Final answer
    x = 8,112.44

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1.5x scale

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.