Home / 10,231.12-15,346.62-2,632.39

Finding the Fourth Proportional to 10,231.12, 15,346.62 and 2,632.39

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Solution

The fourth proportional to 10,231.12, 15,346.62 and 2,632.39 is: 3,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.12 : 15,346.62 = 2,632.39 : x
  2. Step 2: Convert to fraction form
    10,231.12/15,346.62 = 2,632.39/x
  3. Step 3: Cross multiply
    10,231.12x = 15,346.62 × 2,632.39
  4. Step 4: Simplify right side
    10,231.12x = 40,398,289.02
  5. Step 5: Solve for x
    x = 40,398,289.02/10,231.12
  6. Step 6: Final answer
    x = 3,948.57

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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.