Home / 11,725.95-17,589.79-3,722.55

Finding the Fourth Proportional to 11,725.95, 17,589.79 and 3,722.55

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Solution

The fourth proportional to 11,725.95, 17,589.79 and 3,722.55 is: 5,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.95 : 17,589.79 = 3,722.55 : x
  2. Step 2: Convert to fraction form
    11,725.95/17,589.79 = 3,722.55/x
  3. Step 3: Cross multiply
    11,725.95x = 17,589.79 × 3,722.55
  4. Step 4: Simplify right side
    11,725.95x = 65,478,872.76
  5. Step 5: Solve for x
    x = 65,478,872.76/11,725.95
  6. Step 6: Final answer
    x = 5,584.10

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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.