Home / 10,189.92-15,287.19-3,616.11

Finding the Fourth Proportional to 10,189.92, 15,287.19 and 3,616.11

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Solution

The fourth proportional to 10,189.92, 15,287.19 and 3,616.11 is: 5,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.92 : 15,287.19 = 3,616.11 : x
  2. Step 2: Convert to fraction form
    10,189.92/15,287.19 = 3,616.11/x
  3. Step 3: Cross multiply
    10,189.92x = 15,287.19 × 3,616.11
  4. Step 4: Simplify right side
    10,189.92x = 55,280,147.07
  5. Step 5: Solve for x
    x = 55,280,147.07/10,189.92
  6. Step 6: Final answer
    x = 5,424.98

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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.