Home / 10,811.74-16,210.41-3,885.34

Finding the Fourth Proportional to 10,811.74, 16,210.41 and 3,885.34

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Solution

The fourth proportional to 10,811.74, 16,210.41 and 3,885.34 is: 5,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.74 : 16,210.41 = 3,885.34 : x
  2. Step 2: Convert to fraction form
    10,811.74/16,210.41 = 3,885.34/x
  3. Step 3: Cross multiply
    10,811.74x = 16,210.41 × 3,885.34
  4. Step 4: Simplify right side
    10,811.74x = 62,982,954.39
  5. Step 5: Solve for x
    x = 62,982,954.39/10,811.74
  6. Step 6: Final answer
    x = 5,825.42

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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.