Home / 8,630.55-11,909.70-5,092.47

Finding the Fourth Proportional to 8,630.55, 11,909.70 and 5,092.47

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Solution

The fourth proportional to 8,630.55, 11,909.70 and 5,092.47 is: 7,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.55 : 11,909.70 = 5,092.47 : x
  2. Step 2: Convert to fraction form
    8,630.55/11,909.70 = 5,092.47/x
  3. Step 3: Cross multiply
    8,630.55x = 11,909.70 × 5,092.47
  4. Step 4: Simplify right side
    8,630.55x = 60,649,789.96
  5. Step 5: Solve for x
    x = 60,649,789.96/8,630.55
  6. Step 6: Final answer
    x = 7,027.34

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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.