Home / 11,863.56-16,370.30-6,557.66

Finding the Fourth Proportional to 11,863.56, 16,370.30 and 6,557.66

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Solution

The fourth proportional to 11,863.56, 16,370.30 and 6,557.66 is: 9,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.56 : 16,370.30 = 6,557.66 : x
  2. Step 2: Convert to fraction form
    11,863.56/16,370.30 = 6,557.66/x
  3. Step 3: Cross multiply
    11,863.56x = 16,370.30 × 6,557.66
  4. Step 4: Simplify right side
    11,863.56x = 107,350,804.18
  5. Step 5: Solve for x
    x = 107,350,804.18/11,863.56
  6. Step 6: Final answer
    x = 9,048.78

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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.