Home / 11,830.35-17,708.61-8,713.87

Finding the Fourth Proportional to 11,830.35, 17,708.61 and 8,713.87

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Solution

The fourth proportional to 11,830.35, 17,708.61 and 8,713.87 is: 13,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.35 : 17,708.61 = 8,713.87 : x
  2. Step 2: Convert to fraction form
    11,830.35/17,708.61 = 8,713.87/x
  3. Step 3: Cross multiply
    11,830.35x = 17,708.61 × 8,713.87
  4. Step 4: Simplify right side
    11,830.35x = 154,310,525.42
  5. Step 5: Solve for x
    x = 154,310,525.42/11,830.35
  6. Step 6: Final answer
    x = 13,043.61

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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.