Home / 11,885.74-17,831.84-4,958.62

Finding the Fourth Proportional to 11,885.74, 17,831.84 and 4,958.62

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Solution

The fourth proportional to 11,885.74, 17,831.84 and 4,958.62 is: 7,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.74 : 17,831.84 = 4,958.62 : x
  2. Step 2: Convert to fraction form
    11,885.74/17,831.84 = 4,958.62/x
  3. Step 3: Cross multiply
    11,885.74x = 17,831.84 × 4,958.62
  4. Step 4: Simplify right side
    11,885.74x = 88,421,318.46
  5. Step 5: Solve for x
    x = 88,421,318.46/11,885.74
  6. Step 6: Final answer
    x = 7,439.28

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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.