Home / 11,859.12-17,793.84-5,623.50

Finding the Fourth Proportional to 11,859.12, 17,793.84 and 5,623.50

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Solution

The fourth proportional to 11,859.12, 17,793.84 and 5,623.50 is: 8,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.12 : 17,793.84 = 5,623.50 : x
  2. Step 2: Convert to fraction form
    11,859.12/17,793.84 = 5,623.50/x
  3. Step 3: Cross multiply
    11,859.12x = 17,793.84 × 5,623.50
  4. Step 4: Simplify right side
    11,859.12x = 100,063,659.24
  5. Step 5: Solve for x
    x = 100,063,659.24/11,859.12
  6. Step 6: Final answer
    x = 8,437.70

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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.