Home / 10,816.59-16,217.90-4,243.44

Finding the Fourth Proportional to 10,816.59, 16,217.90 and 4,243.44

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Solution

The fourth proportional to 10,816.59, 16,217.90 and 4,243.44 is: 6,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.59 : 16,217.90 = 4,243.44 : x
  2. Step 2: Convert to fraction form
    10,816.59/16,217.90 = 4,243.44/x
  3. Step 3: Cross multiply
    10,816.59x = 16,217.90 × 4,243.44
  4. Step 4: Simplify right side
    10,816.59x = 68,819,604.49
  5. Step 5: Solve for x
    x = 68,819,604.49/10,816.59
  6. Step 6: Final answer
    x = 6,362.42

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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.