Home / 10,627.52-15,943.12-3,606.80

Finding the Fourth Proportional to 10,627.52, 15,943.12 and 3,606.80

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Solution

The fourth proportional to 10,627.52, 15,943.12 and 3,606.80 is: 5,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.52 : 15,943.12 = 3,606.80 : x
  2. Step 2: Convert to fraction form
    10,627.52/15,943.12 = 3,606.80/x
  3. Step 3: Cross multiply
    10,627.52x = 15,943.12 × 3,606.80
  4. Step 4: Simplify right side
    10,627.52x = 57,503,645.22
  5. Step 5: Solve for x
    x = 57,503,645.22/10,627.52
  6. Step 6: Final answer
    x = 5,410.82

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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.