Home / 9,841.50-13,581.41-5,649.75

Finding the Fourth Proportional to 9,841.50, 13,581.41 and 5,649.75

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Solution

The fourth proportional to 9,841.50, 13,581.41 and 5,649.75 is: 7,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.50 : 13,581.41 = 5,649.75 : x
  2. Step 2: Convert to fraction form
    9,841.50/13,581.41 = 5,649.75/x
  3. Step 3: Cross multiply
    9,841.50x = 13,581.41 × 5,649.75
  4. Step 4: Simplify right side
    9,841.50x = 76,731,542.90
  5. Step 5: Solve for x
    x = 76,731,542.90/9,841.50
  6. Step 6: Final answer
    x = 7,796.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.