Home / 11,221.96-16,833.63-4,648.66

Finding the Fourth Proportional to 11,221.96, 16,833.63 and 4,648.66

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Solution

The fourth proportional to 11,221.96, 16,833.63 and 4,648.66 is: 6,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.96 : 16,833.63 = 4,648.66 : x
  2. Step 2: Convert to fraction form
    11,221.96/16,833.63 = 4,648.66/x
  3. Step 3: Cross multiply
    11,221.96x = 16,833.63 × 4,648.66
  4. Step 4: Simplify right side
    11,221.96x = 78,253,822.44
  5. Step 5: Solve for x
    x = 78,253,822.44/11,221.96
  6. Step 6: Final answer
    x = 6,973.28

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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.