Home / 12,310.94-18,476.10-4,521.98

Finding the Fourth Proportional to 12,310.94, 18,476.10 and 4,521.98

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Solution

The fourth proportional to 12,310.94, 18,476.10 and 4,521.98 is: 6,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.94 : 18,476.10 = 4,521.98 : x
  2. Step 2: Convert to fraction form
    12,310.94/18,476.10 = 4,521.98/x
  3. Step 3: Cross multiply
    12,310.94x = 18,476.10 × 4,521.98
  4. Step 4: Simplify right side
    12,310.94x = 83,548,554.68
  5. Step 5: Solve for x
    x = 83,548,554.68/12,310.94
  6. Step 6: Final answer
    x = 6,786.53

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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.