Home / 8,905.46-13,353.24-3,644.16

Finding the Fourth Proportional to 8,905.46, 13,353.24 and 3,644.16

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Solution

The fourth proportional to 8,905.46, 13,353.24 and 3,644.16 is: 5,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.46 : 13,353.24 = 3,644.16 : x
  2. Step 2: Convert to fraction form
    8,905.46/13,353.24 = 3,644.16/x
  3. Step 3: Cross multiply
    8,905.46x = 13,353.24 × 3,644.16
  4. Step 4: Simplify right side
    8,905.46x = 48,661,306.67
  5. Step 5: Solve for x
    x = 48,661,306.67/8,905.46
  6. Step 6: Final answer
    x = 5,464.21

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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.