Home / 6,771.43-10,104.85-6,151.78

Finding the Fourth Proportional to 6,771.43, 10,104.85 and 6,151.78

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Solution

The fourth proportional to 6,771.43, 10,104.85 and 6,151.78 is: 9,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.43 : 10,104.85 = 6,151.78 : x
  2. Step 2: Convert to fraction form
    6,771.43/10,104.85 = 6,151.78/x
  3. Step 3: Cross multiply
    6,771.43x = 10,104.85 × 6,151.78
  4. Step 4: Simplify right side
    6,771.43x = 62,162,814.13
  5. Step 5: Solve for x
    x = 62,162,814.13/6,771.43
  6. Step 6: Final answer
    x = 9,180.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.