Home / 11,667.13-16,100.43-6,361.83

Finding the Fourth Proportional to 11,667.13, 16,100.43 and 6,361.83

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Solution

The fourth proportional to 11,667.13, 16,100.43 and 6,361.83 is: 8,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667.13 : 16,100.43 = 6,361.83 : x
  2. Step 2: Convert to fraction form
    11,667.13/16,100.43 = 6,361.83/x
  3. Step 3: Cross multiply
    11,667.13x = 16,100.43 × 6,361.83
  4. Step 4: Simplify right side
    11,667.13x = 102,428,198.59
  5. Step 5: Solve for x
    x = 102,428,198.59/11,667.13
  6. Step 6: Final answer
    x = 8,779.21

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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.