Home / 10,894.81-16,343.13-4,321.06

Finding the Fourth Proportional to 10,894.81, 16,343.13 and 4,321.06

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Solution

The fourth proportional to 10,894.81, 16,343.13 and 4,321.06 is: 6,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.81 : 16,343.13 = 4,321.06 : x
  2. Step 2: Convert to fraction form
    10,894.81/16,343.13 = 4,321.06/x
  3. Step 3: Cross multiply
    10,894.81x = 16,343.13 × 4,321.06
  4. Step 4: Simplify right side
    10,894.81x = 70,619,645.32
  5. Step 5: Solve for x
    x = 70,619,645.32/10,894.81
  6. Step 6: Final answer
    x = 6,481.95

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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.