Home / 9,147.21-13,726.46-3,599.61

Finding the Fourth Proportional to 9,147.21, 13,726.46 and 3,599.61

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Solution

The fourth proportional to 9,147.21, 13,726.46 and 3,599.61 is: 5,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.21 : 13,726.46 = 3,599.61 : x
  2. Step 2: Convert to fraction form
    9,147.21/13,726.46 = 3,599.61/x
  3. Step 3: Cross multiply
    9,147.21x = 13,726.46 × 3,599.61
  4. Step 4: Simplify right side
    9,147.21x = 49,409,902.68
  5. Step 5: Solve for x
    x = 49,409,902.68/9,147.21
  6. Step 6: Final answer
    x = 5,401.64

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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.