Home / 11,579.07-17,366.79-3,680.55

Finding the Fourth Proportional to 11,579.07, 17,366.79 and 3,680.55

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Solution

The fourth proportional to 11,579.07, 17,366.79 and 3,680.55 is: 5,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.07 : 17,366.79 = 3,680.55 : x
  2. Step 2: Convert to fraction form
    11,579.07/17,366.79 = 3,680.55/x
  3. Step 3: Cross multiply
    11,579.07x = 17,366.79 × 3,680.55
  4. Step 4: Simplify right side
    11,579.07x = 63,919,338.93
  5. Step 5: Solve for x
    x = 63,919,338.93/11,579.07
  6. Step 6: Final answer
    x = 5,520.25

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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.