Home / 8,072.22-11,137.70-4,713.09

Finding the Fourth Proportional to 8,072.22, 11,137.70 and 4,713.09

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Solution

The fourth proportional to 8,072.22, 11,137.70 and 4,713.09 is: 6,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.22 : 11,137.70 = 4,713.09 : x
  2. Step 2: Convert to fraction form
    8,072.22/11,137.70 = 4,713.09/x
  3. Step 3: Cross multiply
    8,072.22x = 11,137.70 × 4,713.09
  4. Step 4: Simplify right side
    8,072.22x = 52,492,958.93
  5. Step 5: Solve for x
    x = 52,492,958.93/8,072.22
  6. Step 6: Final answer
    x = 6,502.91

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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.