Home / 10,831.06-16,246.73-3,811.29

Finding the Fourth Proportional to 10,831.06, 16,246.73 and 3,811.29

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Solution

The fourth proportional to 10,831.06, 16,246.73 and 3,811.29 is: 5,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.06 : 16,246.73 = 3,811.29 : x
  2. Step 2: Convert to fraction form
    10,831.06/16,246.73 = 3,811.29/x
  3. Step 3: Cross multiply
    10,831.06x = 16,246.73 × 3,811.29
  4. Step 4: Simplify right side
    10,831.06x = 61,920,999.58
  5. Step 5: Solve for x
    x = 61,920,999.58/10,831.06
  6. Step 6: Final answer
    x = 5,716.98

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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.