Home / 9,115.37-13,679.21-3,568.02

Finding the Fourth Proportional to 9,115.37, 13,679.21 and 3,568.02

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Solution

The fourth proportional to 9,115.37, 13,679.21 and 3,568.02 is: 5,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.37 : 13,679.21 = 3,568.02 : x
  2. Step 2: Convert to fraction form
    9,115.37/13,679.21 = 3,568.02/x
  3. Step 3: Cross multiply
    9,115.37x = 13,679.21 × 3,568.02
  4. Step 4: Simplify right side
    9,115.37x = 48,807,677.02
  5. Step 5: Solve for x
    x = 48,807,677.02/9,115.37
  6. Step 6: Final answer
    x = 5,354.44

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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.