Home / 11,585.68-17,380.32-3,792.64

Finding the Fourth Proportional to 11,585.68, 17,380.32 and 3,792.64

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Solution

The fourth proportional to 11,585.68, 17,380.32 and 3,792.64 is: 5,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.68 : 17,380.32 = 3,792.64 : x
  2. Step 2: Convert to fraction form
    11,585.68/17,380.32 = 3,792.64/x
  3. Step 3: Cross multiply
    11,585.68x = 17,380.32 × 3,792.64
  4. Step 4: Simplify right side
    11,585.68x = 65,917,296.84
  5. Step 5: Solve for x
    x = 65,917,296.84/11,585.68
  6. Step 6: Final answer
    x = 5,689.55

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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.