Home / 9,245.18-13,873.24-3,405.90

Finding the Fourth Proportional to 9,245.18, 13,873.24 and 3,405.90

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Solution

The fourth proportional to 9,245.18, 13,873.24 and 3,405.90 is: 5,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.18 : 13,873.24 = 3,405.90 : x
  2. Step 2: Convert to fraction form
    9,245.18/13,873.24 = 3,405.90/x
  3. Step 3: Cross multiply
    9,245.18x = 13,873.24 × 3,405.90
  4. Step 4: Simplify right side
    9,245.18x = 47,250,868.12
  5. Step 5: Solve for x
    x = 47,250,868.12/9,245.18
  6. Step 6: Final answer
    x = 5,110.87

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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.