Home / 8,118.72-11,204.10-4,484.52

Finding the Fourth Proportional to 8,118.72, 11,204.10 and 4,484.52

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Solution

The fourth proportional to 8,118.72, 11,204.10 and 4,484.52 is: 6,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.72 : 11,204.10 = 4,484.52 : x
  2. Step 2: Convert to fraction form
    8,118.72/11,204.10 = 4,484.52/x
  3. Step 3: Cross multiply
    8,118.72x = 11,204.10 × 4,484.52
  4. Step 4: Simplify right side
    8,118.72x = 50,245,010.53
  5. Step 5: Solve for x
    x = 50,245,010.53/8,118.72
  6. Step 6: Final answer
    x = 6,188.78

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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.