Home / 11,255.31-16,881.06-4,679.73

Finding the Fourth Proportional to 11,255.31, 16,881.06 and 4,679.73

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Solution

The fourth proportional to 11,255.31, 16,881.06 and 4,679.73 is: 7,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.31 : 16,881.06 = 4,679.73 : x
  2. Step 2: Convert to fraction form
    11,255.31/16,881.06 = 4,679.73/x
  3. Step 3: Cross multiply
    11,255.31x = 16,881.06 × 4,679.73
  4. Step 4: Simplify right side
    11,255.31x = 78,998,802.91
  5. Step 5: Solve for x
    x = 78,998,802.91/11,255.31
  6. Step 6: Final answer
    x = 7,018.80

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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.