Home / 10,883.22-15,027.31-8,361.33

Finding the Fourth Proportional to 10,883.22, 15,027.31 and 8,361.33

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Solution

The fourth proportional to 10,883.22, 15,027.31 and 8,361.33 is: 11,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.22 : 15,027.31 = 8,361.33 : x
  2. Step 2: Convert to fraction form
    10,883.22/15,027.31 = 8,361.33/x
  3. Step 3: Cross multiply
    10,883.22x = 15,027.31 × 8,361.33
  4. Step 4: Simplify right side
    10,883.22x = 125,648,297.92
  5. Step 5: Solve for x
    x = 125,648,297.92/10,883.22
  6. Step 6: Final answer
    x = 11,545.14

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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.