Home / 10,815.26-16,222.88-2,607.26

Finding the Fourth Proportional to 10,815.26, 16,222.88 and 2,607.26

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Solution

The fourth proportional to 10,815.26, 16,222.88 and 2,607.26 is: 3,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.26 : 16,222.88 = 2,607.26 : x
  2. Step 2: Convert to fraction form
    10,815.26/16,222.88 = 2,607.26/x
  3. Step 3: Cross multiply
    10,815.26x = 16,222.88 × 2,607.26
  4. Step 4: Simplify right side
    10,815.26x = 42,297,266.11
  5. Step 5: Solve for x
    x = 42,297,266.11/10,815.26
  6. Step 6: Final answer
    x = 3,910.89

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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.