Home / 9,132.21-13,690.15-3,589.52

Finding the Fourth Proportional to 9,132.21, 13,690.15 and 3,589.52

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Solution

The fourth proportional to 9,132.21, 13,690.15 and 3,589.52 is: 5,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.21 : 13,690.15 = 3,589.52 : x
  2. Step 2: Convert to fraction form
    9,132.21/13,690.15 = 3,589.52/x
  3. Step 3: Cross multiply
    9,132.21x = 13,690.15 × 3,589.52
  4. Step 4: Simplify right side
    9,132.21x = 49,140,989.80
  5. Step 5: Solve for x
    x = 49,140,989.80/9,132.21
  6. Step 6: Final answer
    x = 5,381.06

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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.