Home / 10,831.13-16,234.29-4,912.52

Finding the Fourth Proportional to 10,831.13, 16,234.29 and 4,912.52

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Solution

The fourth proportional to 10,831.13, 16,234.29 and 4,912.52 is: 7,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.13 : 16,234.29 = 4,912.52 : x
  2. Step 2: Convert to fraction form
    10,831.13/16,234.29 = 4,912.52/x
  3. Step 3: Cross multiply
    10,831.13x = 16,234.29 × 4,912.52
  4. Step 4: Simplify right side
    10,831.13x = 79,751,274.31
  5. Step 5: Solve for x
    x = 79,751,274.31/10,831.13
  6. Step 6: Final answer
    x = 7,363.15

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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.