Home / 8,735.07-12,057.44-5,198.21

Finding the Fourth Proportional to 8,735.07, 12,057.44 and 5,198.21

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Solution

The fourth proportional to 8,735.07, 12,057.44 and 5,198.21 is: 7,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.07 : 12,057.44 = 5,198.21 : x
  2. Step 2: Convert to fraction form
    8,735.07/12,057.44 = 5,198.21/x
  3. Step 3: Cross multiply
    8,735.07x = 12,057.44 × 5,198.21
  4. Step 4: Simplify right side
    8,735.07x = 62,677,018.90
  5. Step 5: Solve for x
    x = 62,677,018.90/8,735.07
  6. Step 6: Final answer
    x = 7,175.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.