Home / 10,715.10-16,067.18-4,143.17

Finding the Fourth Proportional to 10,715.10, 16,067.18 and 4,143.17

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Solution

The fourth proportional to 10,715.10, 16,067.18 and 4,143.17 is: 6,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.10 : 16,067.18 = 4,143.17 : x
  2. Step 2: Convert to fraction form
    10,715.10/16,067.18 = 4,143.17/x
  3. Step 3: Cross multiply
    10,715.10x = 16,067.18 × 4,143.17
  4. Step 4: Simplify right side
    10,715.10x = 66,568,957.11
  5. Step 5: Solve for x
    x = 66,568,957.11/10,715.10
  6. Step 6: Final answer
    x = 6,212.63

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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.