Home / 10,553.25-15,829.89-3,627.75

Finding the Fourth Proportional to 10,553.25, 15,829.89 and 3,627.75

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Solution

The fourth proportional to 10,553.25, 15,829.89 and 3,627.75 is: 5,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.25 : 15,829.89 = 3,627.75 : x
  2. Step 2: Convert to fraction form
    10,553.25/15,829.89 = 3,627.75/x
  3. Step 3: Cross multiply
    10,553.25x = 15,829.89 × 3,627.75
  4. Step 4: Simplify right side
    10,553.25x = 57,426,883.45
  5. Step 5: Solve for x
    x = 57,426,883.45/10,553.25
  6. Step 6: Final answer
    x = 5,441.63

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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.