Home / 11,505.39-17,255.24-4,930.83

Finding the Fourth Proportional to 11,505.39, 17,255.24 and 4,930.83

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Solution

The fourth proportional to 11,505.39, 17,255.24 and 4,930.83 is: 7,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.39 : 17,255.24 = 4,930.83 : x
  2. Step 2: Convert to fraction form
    11,505.39/17,255.24 = 4,930.83/x
  3. Step 3: Cross multiply
    11,505.39x = 17,255.24 × 4,930.83
  4. Step 4: Simplify right side
    11,505.39x = 85,082,630.40
  5. Step 5: Solve for x
    x = 85,082,630.40/11,505.39
  6. Step 6: Final answer
    x = 7,395.02

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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.