Home / 12,316.94-18,472.04-4,418.00

Finding the Fourth Proportional to 12,316.94, 18,472.04 and 4,418.00

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Solution

The fourth proportional to 12,316.94, 18,472.04 and 4,418.00 is: 6,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.94 : 18,472.04 = 4,418.00 : x
  2. Step 2: Convert to fraction form
    12,316.94/18,472.04 = 4,418.00/x
  3. Step 3: Cross multiply
    12,316.94x = 18,472.04 × 4,418.00
  4. Step 4: Simplify right side
    12,316.94x = 81,609,358.27
  5. Step 5: Solve for x
    x = 81,609,358.27/12,316.94
  6. Step 6: Final answer
    x = 6,625.78

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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.