Home / 8,072.92-11,132.87-5,239.25

Finding the Fourth Proportional to 8,072.92, 11,132.87 and 5,239.25

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Solution

The fourth proportional to 8,072.92, 11,132.87 and 5,239.25 is: 7,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.92 : 11,132.87 = 5,239.25 : x
  2. Step 2: Convert to fraction form
    8,072.92/11,132.87 = 5,239.25/x
  3. Step 3: Cross multiply
    8,072.92x = 11,132.87 × 5,239.25
  4. Step 4: Simplify right side
    8,072.92x = 58,327,889.15
  5. Step 5: Solve for x
    x = 58,327,889.15/8,072.92
  6. Step 6: Final answer
    x = 7,225.13

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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.