Home / 10,831.44-16,247.76-3,436.50

Finding the Fourth Proportional to 10,831.44, 16,247.76 and 3,436.50

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Solution

The fourth proportional to 10,831.44, 16,247.76 and 3,436.50 is: 5,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.44 : 16,247.76 = 3,436.50 : x
  2. Step 2: Convert to fraction form
    10,831.44/16,247.76 = 3,436.50/x
  3. Step 3: Cross multiply
    10,831.44x = 16,247.76 × 3,436.50
  4. Step 4: Simplify right side
    10,831.44x = 55,835,427.24
  5. Step 5: Solve for x
    x = 55,835,427.24/10,831.44
  6. Step 6: Final answer
    x = 5,154.94

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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.