Home / 10,831.13-16,244.19-3,434.21

Finding the Fourth Proportional to 10,831.13, 16,244.19 and 3,434.21

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Solution

The fourth proportional to 10,831.13, 16,244.19 and 3,434.21 is: 5,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.13 : 16,244.19 = 3,434.21 : x
  2. Step 2: Convert to fraction form
    10,831.13/16,244.19 = 3,434.21/x
  3. Step 3: Cross multiply
    10,831.13x = 16,244.19 × 3,434.21
  4. Step 4: Simplify right side
    10,831.13x = 55,785,878.52
  5. Step 5: Solve for x
    x = 55,785,878.52/10,831.13
  6. Step 6: Final answer
    x = 5,150.52

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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.