Home / 11,831.40-17,740.89-3,510.27

Finding the Fourth Proportional to 11,831.40, 17,740.89 and 3,510.27

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Solution

The fourth proportional to 11,831.40, 17,740.89 and 3,510.27 is: 5,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.40 : 17,740.89 = 3,510.27 : x
  2. Step 2: Convert to fraction form
    11,831.40/17,740.89 = 3,510.27/x
  3. Step 3: Cross multiply
    11,831.40x = 17,740.89 × 3,510.27
  4. Step 4: Simplify right side
    11,831.40x = 62,275,313.94
  5. Step 5: Solve for x
    x = 62,275,313.94/11,831.40
  6. Step 6: Final answer
    x = 5,263.56

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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.