Home / 10,934.57-16,401.87-3,143.39

Finding the Fourth Proportional to 10,934.57, 16,401.87 and 3,143.39

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Solution

The fourth proportional to 10,934.57, 16,401.87 and 3,143.39 is: 4,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.57 : 16,401.87 = 3,143.39 : x
  2. Step 2: Convert to fraction form
    10,934.57/16,401.87 = 3,143.39/x
  3. Step 3: Cross multiply
    10,934.57x = 16,401.87 × 3,143.39
  4. Step 4: Simplify right side
    10,934.57x = 51,557,392.13
  5. Step 5: Solve for x
    x = 51,557,392.13/10,934.57
  6. Step 6: Final answer
    x = 4,715.08

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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.