Home / 10,855.54-16,281.49-4,930.59

Finding the Fourth Proportional to 10,855.54, 16,281.49 and 4,930.59

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Solution

The fourth proportional to 10,855.54, 16,281.49 and 4,930.59 is: 7,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.54 : 16,281.49 = 4,930.59 : x
  2. Step 2: Convert to fraction form
    10,855.54/16,281.49 = 4,930.59/x
  3. Step 3: Cross multiply
    10,855.54x = 16,281.49 × 4,930.59
  4. Step 4: Simplify right side
    10,855.54x = 80,277,351.78
  5. Step 5: Solve for x
    x = 80,277,351.78/10,855.54
  6. Step 6: Final answer
    x = 7,395.06

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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.