Home / 11,505.56-17,254.91-4,930.20

Finding the Fourth Proportional to 11,505.56, 17,254.91 and 4,930.20

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Solution

The fourth proportional to 11,505.56, 17,254.91 and 4,930.20 is: 7,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.56 : 17,254.91 = 4,930.20 : x
  2. Step 2: Convert to fraction form
    11,505.56/17,254.91 = 4,930.20/x
  3. Step 3: Cross multiply
    11,505.56x = 17,254.91 × 4,930.20
  4. Step 4: Simplify right side
    11,505.56x = 85,070,132.63
  5. Step 5: Solve for x
    x = 85,070,132.63/11,505.56
  6. Step 6: Final answer
    x = 7,393.83

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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.