Home / 11,179.68-16,767.66-3,386.64

Finding the Fourth Proportional to 11,179.68, 16,767.66 and 3,386.64

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Solution

The fourth proportional to 11,179.68, 16,767.66 and 3,386.64 is: 5,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.68 : 16,767.66 = 3,386.64 : x
  2. Step 2: Convert to fraction form
    11,179.68/16,767.66 = 3,386.64/x
  3. Step 3: Cross multiply
    11,179.68x = 16,767.66 × 3,386.64
  4. Step 4: Simplify right side
    11,179.68x = 56,786,028.06
  5. Step 5: Solve for x
    x = 56,786,028.06/11,179.68
  6. Step 6: Final answer
    x = 5,079.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.