Home / 10,180.96-15,272.66-3,605.80

Finding the Fourth Proportional to 10,180.96, 15,272.66 and 3,605.80

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Solution

The fourth proportional to 10,180.96, 15,272.66 and 3,605.80 is: 5,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.96 : 15,272.66 = 3,605.80 : x
  2. Step 2: Convert to fraction form
    10,180.96/15,272.66 = 3,605.80/x
  3. Step 3: Cross multiply
    10,180.96x = 15,272.66 × 3,605.80
  4. Step 4: Simplify right side
    10,180.96x = 55,070,157.43
  5. Step 5: Solve for x
    x = 55,070,157.43/10,180.96
  6. Step 6: Final answer
    x = 5,409.13

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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.