Home / 10,815.05-16,222.58-4,244.33

Finding the Fourth Proportional to 10,815.05, 16,222.58 and 4,244.33

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Solution

The fourth proportional to 10,815.05, 16,222.58 and 4,244.33 is: 6,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.05 : 16,222.58 = 4,244.33 : x
  2. Step 2: Convert to fraction form
    10,815.05/16,222.58 = 4,244.33/x
  3. Step 3: Cross multiply
    10,815.05x = 16,222.58 × 4,244.33
  4. Step 4: Simplify right side
    10,815.05x = 68,853,880.64
  5. Step 5: Solve for x
    x = 68,853,880.64/10,815.05
  6. Step 6: Final answer
    x = 6,366.49

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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.