Home / 12,240.94-18,360.39-4,843.42

Finding the Fourth Proportional to 12,240.94, 18,360.39 and 4,843.42

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Solution

The fourth proportional to 12,240.94, 18,360.39 and 4,843.42 is: 7,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.94 : 18,360.39 = 4,843.42 : x
  2. Step 2: Convert to fraction form
    12,240.94/18,360.39 = 4,843.42/x
  3. Step 3: Cross multiply
    12,240.94x = 18,360.39 × 4,843.42
  4. Step 4: Simplify right side
    12,240.94x = 88,926,964.11
  5. Step 5: Solve for x
    x = 88,926,964.11/12,240.94
  6. Step 6: Final answer
    x = 7,264.72

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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.