Home / 7,816.86-11,723.13-3,433.23

Finding the Fourth Proportional to 7,816.86, 11,723.13 and 3,433.23

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Solution

The fourth proportional to 7,816.86, 11,723.13 and 3,433.23 is: 5,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.86 : 11,723.13 = 3,433.23 : x
  2. Step 2: Convert to fraction form
    7,816.86/11,723.13 = 3,433.23/x
  3. Step 3: Cross multiply
    7,816.86x = 11,723.13 × 3,433.23
  4. Step 4: Simplify right side
    7,816.86x = 40,248,201.61
  5. Step 5: Solve for x
    x = 40,248,201.61/7,816.86
  6. Step 6: Final answer
    x = 5,148.90

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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.