Home / 8,279.18-11,425.50-4,502.60

Finding the Fourth Proportional to 8,279.18, 11,425.50 and 4,502.60

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Solution

The fourth proportional to 8,279.18, 11,425.50 and 4,502.60 is: 6,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.18 : 11,425.50 = 4,502.60 : x
  2. Step 2: Convert to fraction form
    8,279.18/11,425.50 = 4,502.60/x
  3. Step 3: Cross multiply
    8,279.18x = 11,425.50 × 4,502.60
  4. Step 4: Simplify right side
    8,279.18x = 51,444,456.30
  5. Step 5: Solve for x
    x = 51,444,456.30/8,279.18
  6. Step 6: Final answer
    x = 6,213.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.