Home / 10,762.24-16,143.36-3,831.88

Finding the Fourth Proportional to 10,762.24, 16,143.36 and 3,831.88

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Solution

The fourth proportional to 10,762.24, 16,143.36 and 3,831.88 is: 5,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.24 : 16,143.36 = 3,831.88 : x
  2. Step 2: Convert to fraction form
    10,762.24/16,143.36 = 3,831.88/x
  3. Step 3: Cross multiply
    10,762.24x = 16,143.36 × 3,831.88
  4. Step 4: Simplify right side
    10,762.24x = 61,859,418.32
  5. Step 5: Solve for x
    x = 61,859,418.32/10,762.24
  6. Step 6: Final answer
    x = 5,747.82

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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.