Home / 11,667.09-16,100.04-6,361.74

Finding the Fourth Proportional to 11,667.09, 16,100.04 and 6,361.74

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Solution

The fourth proportional to 11,667.09, 16,100.04 and 6,361.74 is: 8,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667.09 : 16,100.04 = 6,361.74 : x
  2. Step 2: Convert to fraction form
    11,667.09/16,100.04 = 6,361.74/x
  3. Step 3: Cross multiply
    11,667.09x = 16,100.04 × 6,361.74
  4. Step 4: Simplify right side
    11,667.09x = 102,424,268.47
  5. Step 5: Solve for x
    x = 102,424,268.47/11,667.09
  6. Step 6: Final answer
    x = 8,778.90

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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.