Home / 9,175.41-13,758.78-3,555.71

Finding the Fourth Proportional to 9,175.41, 13,758.78 and 3,555.71

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Solution

The fourth proportional to 9,175.41, 13,758.78 and 3,555.71 is: 5,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.41 : 13,758.78 = 3,555.71 : x
  2. Step 2: Convert to fraction form
    9,175.41/13,758.78 = 3,555.71/x
  3. Step 3: Cross multiply
    9,175.41x = 13,758.78 × 3,555.71
  4. Step 4: Simplify right side
    9,175.41x = 48,922,162.84
  5. Step 5: Solve for x
    x = 48,922,162.84/9,175.41
  6. Step 6: Final answer
    x = 5,331.88

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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.