Home / 8,122.09-11,208.34-4,536.82

Finding the Fourth Proportional to 8,122.09, 11,208.34 and 4,536.82

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Solution

The fourth proportional to 8,122.09, 11,208.34 and 4,536.82 is: 6,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.09 : 11,208.34 = 4,536.82 : x
  2. Step 2: Convert to fraction form
    8,122.09/11,208.34 = 4,536.82/x
  3. Step 3: Cross multiply
    8,122.09x = 11,208.34 × 4,536.82
  4. Step 4: Simplify right side
    8,122.09x = 50,850,165.04
  5. Step 5: Solve for x
    x = 50,850,165.04/8,122.09
  6. Step 6: Final answer
    x = 6,260.73

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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.