Home / 8,905.49-13,353.29-3,644.19

Finding the Fourth Proportional to 8,905.49, 13,353.29 and 3,644.19

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Solution

The fourth proportional to 8,905.49, 13,353.29 and 3,644.19 is: 5,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.49 : 13,353.29 = 3,644.19 : x
  2. Step 2: Convert to fraction form
    8,905.49/13,353.29 = 3,644.19/x
  3. Step 3: Cross multiply
    8,905.49x = 13,353.29 × 3,644.19
  4. Step 4: Simplify right side
    8,905.49x = 48,661,925.89
  5. Step 5: Solve for x
    x = 48,661,925.89/8,905.49
  6. Step 6: Final answer
    x = 5,464.26

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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.