Home / 10,831.31-16,247.54-3,436.36

Finding the Fourth Proportional to 10,831.31, 16,247.54 and 3,436.36

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Solution

The fourth proportional to 10,831.31, 16,247.54 and 3,436.36 is: 5,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.31 : 16,247.54 = 3,436.36 : x
  2. Step 2: Convert to fraction form
    10,831.31/16,247.54 = 3,436.36/x
  3. Step 3: Cross multiply
    10,831.31x = 16,247.54 × 3,436.36
  4. Step 4: Simplify right side
    10,831.31x = 55,832,298.13
  5. Step 5: Solve for x
    x = 55,832,298.13/10,831.31
  6. Step 6: Final answer
    x = 5,154.72

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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.