Home / 11,739.10-16,200.02-6,361.56

Finding the Fourth Proportional to 11,739.10, 16,200.02 and 6,361.56

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Solution

The fourth proportional to 11,739.10, 16,200.02 and 6,361.56 is: 8,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.10 : 16,200.02 = 6,361.56 : x
  2. Step 2: Convert to fraction form
    11,739.10/16,200.02 = 6,361.56/x
  3. Step 3: Cross multiply
    11,739.10x = 16,200.02 × 6,361.56
  4. Step 4: Simplify right side
    11,739.10x = 103,057,399.23
  5. Step 5: Solve for x
    x = 103,057,399.23/11,739.10
  6. Step 6: Final answer
    x = 8,778.99

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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.