Home / 11,716.29-16,168.73-6,411.10

Finding the Fourth Proportional to 11,716.29, 16,168.73 and 6,411.10

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Solution

The fourth proportional to 11,716.29, 16,168.73 and 6,411.10 is: 8,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.29 : 16,168.73 = 6,411.10 : x
  2. Step 2: Convert to fraction form
    11,716.29/16,168.73 = 6,411.10/x
  3. Step 3: Cross multiply
    11,716.29x = 16,168.73 × 6,411.10
  4. Step 4: Simplify right side
    11,716.29x = 103,659,344.90
  5. Step 5: Solve for x
    x = 103,659,344.90/11,716.29
  6. Step 6: Final answer
    x = 8,847.45

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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.