Home / 10,831.33-16,247.00-3,905.83

Finding the Fourth Proportional to 10,831.33, 16,247.00 and 3,905.83

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Solution

The fourth proportional to 10,831.33, 16,247.00 and 3,905.83 is: 5,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.33 : 16,247.00 = 3,905.83 : x
  2. Step 2: Convert to fraction form
    10,831.33/16,247.00 = 3,905.83/x
  3. Step 3: Cross multiply
    10,831.33x = 16,247.00 × 3,905.83
  4. Step 4: Simplify right side
    10,831.33x = 63,457,959.86
  5. Step 5: Solve for x
    x = 63,457,959.86/10,831.33
  6. Step 6: Final answer
    x = 5,858.74

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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.