Home / 11,716.33-16,168.53-6,411.16

Finding the Fourth Proportional to 11,716.33, 16,168.53 and 6,411.16

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Solution

The fourth proportional to 11,716.33, 16,168.53 and 6,411.16 is: 8,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.33 : 16,168.53 = 6,411.16 : x
  2. Step 2: Convert to fraction form
    11,716.33/16,168.53 = 6,411.16/x
  3. Step 3: Cross multiply
    11,716.33x = 16,168.53 × 6,411.16
  4. Step 4: Simplify right side
    11,716.33x = 103,659,032.79
  5. Step 5: Solve for x
    x = 103,659,032.79/11,716.33
  6. Step 6: Final answer
    x = 8,847.40

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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.