Home / 9,175.91-13,759.53-3,556.21

Finding the Fourth Proportional to 9,175.91, 13,759.53 and 3,556.21

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Solution

The fourth proportional to 9,175.91, 13,759.53 and 3,556.21 is: 5,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.91 : 13,759.53 = 3,556.21 : x
  2. Step 2: Convert to fraction form
    9,175.91/13,759.53 = 3,556.21/x
  3. Step 3: Cross multiply
    9,175.91x = 13,759.53 × 3,556.21
  4. Step 4: Simplify right side
    9,175.91x = 48,931,778.18
  5. Step 5: Solve for x
    x = 48,931,778.18/9,175.91
  6. Step 6: Final answer
    x = 5,332.63

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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.