Home / 12,247.80-18,362.70-3,923.04

Finding the Fourth Proportional to 12,247.80, 18,362.70 and 3,923.04

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Solution

The fourth proportional to 12,247.80, 18,362.70 and 3,923.04 is: 5,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.80 : 18,362.70 = 3,923.04 : x
  2. Step 2: Convert to fraction form
    12,247.80/18,362.70 = 3,923.04/x
  3. Step 3: Cross multiply
    12,247.80x = 18,362.70 × 3,923.04
  4. Step 4: Simplify right side
    12,247.80x = 72,037,606.61
  5. Step 5: Solve for x
    x = 72,037,606.61/12,247.80
  6. Step 6: Final answer
    x = 5,881.68

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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.