Home / 11,624.88-17,438.85-3,831.06

Finding the Fourth Proportional to 11,624.88, 17,438.85 and 3,831.06

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Solution

The fourth proportional to 11,624.88, 17,438.85 and 3,831.06 is: 5,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.88 : 17,438.85 = 3,831.06 : x
  2. Step 2: Convert to fraction form
    11,624.88/17,438.85 = 3,831.06/x
  3. Step 3: Cross multiply
    11,624.88x = 17,438.85 × 3,831.06
  4. Step 4: Simplify right side
    11,624.88x = 66,809,280.68
  5. Step 5: Solve for x
    x = 66,809,280.68/11,624.88
  6. Step 6: Final answer
    x = 5,747.09

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1.5x scale

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.