Home / 8,989.68-13,481.03-3,725.55

Finding the Fourth Proportional to 8,989.68, 13,481.03 and 3,725.55

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Solution

The fourth proportional to 8,989.68, 13,481.03 and 3,725.55 is: 5,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.68 : 13,481.03 = 3,725.55 : x
  2. Step 2: Convert to fraction form
    8,989.68/13,481.03 = 3,725.55/x
  3. Step 3: Cross multiply
    8,989.68x = 13,481.03 × 3,725.55
  4. Step 4: Simplify right side
    8,989.68x = 50,224,232.69
  5. Step 5: Solve for x
    x = 50,224,232.69/8,989.68
  6. Step 6: Final answer
    x = 5,586.88

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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.