Home / 10,090.75-15,136.19-3,517.06

Finding the Fourth Proportional to 10,090.75, 15,136.19 and 3,517.06

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Solution

The fourth proportional to 10,090.75, 15,136.19 and 3,517.06 is: 5,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.75 : 15,136.19 = 3,517.06 : x
  2. Step 2: Convert to fraction form
    10,090.75/15,136.19 = 3,517.06/x
  3. Step 3: Cross multiply
    10,090.75x = 15,136.19 × 3,517.06
  4. Step 4: Simplify right side
    10,090.75x = 53,234,888.40
  5. Step 5: Solve for x
    x = 53,234,888.40/10,090.75
  6. Step 6: Final answer
    x = 5,275.61

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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.