Home / 11,121.43-15,353.16-8,597.83

Finding the Fourth Proportional to 11,121.43, 15,353.16 and 8,597.83

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Solution

The fourth proportional to 11,121.43, 15,353.16 and 8,597.83 is: 11,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.43 : 15,353.16 = 8,597.83 : x
  2. Step 2: Convert to fraction form
    11,121.43/15,353.16 = 8,597.83/x
  3. Step 3: Cross multiply
    11,121.43x = 15,353.16 × 8,597.83
  4. Step 4: Simplify right side
    11,121.43x = 132,003,859.64
  5. Step 5: Solve for x
    x = 132,003,859.64/11,121.43
  6. Step 6: Final answer
    x = 11,869.32

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Double scale
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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.