Home / 8,071.24-11,122.90-6,951.82

Finding the Fourth Proportional to 8,071.24, 11,122.90 and 6,951.82

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Solution

The fourth proportional to 8,071.24, 11,122.90 and 6,951.82 is: 9,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.24 : 11,122.90 = 6,951.82 : x
  2. Step 2: Convert to fraction form
    8,071.24/11,122.90 = 6,951.82/x
  3. Step 3: Cross multiply
    8,071.24x = 11,122.90 × 6,951.82
  4. Step 4: Simplify right side
    8,071.24x = 77,324,398.68
  5. Step 5: Solve for x
    x = 77,324,398.68/8,071.24
  6. Step 6: Final answer
    x = 9,580.24

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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.