Home / 9,175.77-13,764.57-2,934.21

Finding the Fourth Proportional to 9,175.77, 13,764.57 and 2,934.21

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Solution

The fourth proportional to 9,175.77, 13,764.57 and 2,934.21 is: 4,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.77 : 13,764.57 = 2,934.21 : x
  2. Step 2: Convert to fraction form
    9,175.77/13,764.57 = 2,934.21/x
  3. Step 3: Cross multiply
    9,175.77x = 13,764.57 × 2,934.21
  4. Step 4: Simplify right side
    9,175.77x = 40,388,179.55
  5. Step 5: Solve for x
    x = 40,388,179.55/9,175.77
  6. Step 6: Final answer
    x = 4,401.61

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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.