Home / 10,831.46-16,247.77-3,436.48

Finding the Fourth Proportional to 10,831.46, 16,247.77 and 3,436.48

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Solution

The fourth proportional to 10,831.46, 16,247.77 and 3,436.48 is: 5,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.46 : 16,247.77 = 3,436.48 : x
  2. Step 2: Convert to fraction form
    10,831.46/16,247.77 = 3,436.48/x
  3. Step 3: Cross multiply
    10,831.46x = 16,247.77 × 3,436.48
  4. Step 4: Simplify right side
    10,831.46x = 55,835,136.65
  5. Step 5: Solve for x
    x = 55,835,136.65/10,831.46
  6. Step 6: Final answer
    x = 5,154.90

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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.