Home / 7,786.02-11,672.46-3,623.91

Finding the Fourth Proportional to 7,786.02, 11,672.46 and 3,623.91

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Solution

The fourth proportional to 7,786.02, 11,672.46 and 3,623.91 is: 5,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.02 : 11,672.46 = 3,623.91 : x
  2. Step 2: Convert to fraction form
    7,786.02/11,672.46 = 3,623.91/x
  3. Step 3: Cross multiply
    7,786.02x = 11,672.46 × 3,623.91
  4. Step 4: Simplify right side
    7,786.02x = 42,299,944.52
  5. Step 5: Solve for x
    x = 42,299,944.52/7,786.02
  6. Step 6: Final answer
    x = 5,432.81

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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.