Home / 11,741.43-16,203.20-6,436.20

Finding the Fourth Proportional to 11,741.43, 16,203.20 and 6,436.20

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Solution

The fourth proportional to 11,741.43, 16,203.20 and 6,436.20 is: 8,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.43 : 16,203.20 = 6,436.20 : x
  2. Step 2: Convert to fraction form
    11,741.43/16,203.20 = 6,436.20/x
  3. Step 3: Cross multiply
    11,741.43x = 16,203.20 × 6,436.20
  4. Step 4: Simplify right side
    11,741.43x = 104,287,003.66
  5. Step 5: Solve for x
    x = 104,287,003.66/11,741.43
  6. Step 6: Final answer
    x = 8,881.97

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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.