Home / 8,361.48-11,535.24-5,212.20

Finding the Fourth Proportional to 8,361.48, 11,535.24 and 5,212.20

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Solution

The fourth proportional to 8,361.48, 11,535.24 and 5,212.20 is: 7,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.48 : 11,535.24 = 5,212.20 : x
  2. Step 2: Convert to fraction form
    8,361.48/11,535.24 = 5,212.20/x
  3. Step 3: Cross multiply
    8,361.48x = 11,535.24 × 5,212.20
  4. Step 4: Simplify right side
    8,361.48x = 60,123,977.93
  5. Step 5: Solve for x
    x = 60,123,977.93/8,361.48
  6. Step 6: Final answer
    x = 7,190.59

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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.