Home / 8,198.24-11,312.43-4,661.06

Finding the Fourth Proportional to 8,198.24, 11,312.43 and 4,661.06

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Solution

The fourth proportional to 8,198.24, 11,312.43 and 4,661.06 is: 6,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.24 : 11,312.43 = 4,661.06 : x
  2. Step 2: Convert to fraction form
    8,198.24/11,312.43 = 4,661.06/x
  3. Step 3: Cross multiply
    8,198.24x = 11,312.43 × 4,661.06
  4. Step 4: Simplify right side
    8,198.24x = 52,727,914.98
  5. Step 5: Solve for x
    x = 52,727,914.98/8,198.24
  6. Step 6: Final answer
    x = 6,431.61

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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.