Home / 12,089.44-18,137.40-4,694.14

Finding the Fourth Proportional to 12,089.44, 18,137.40 and 4,694.14

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Solution

The fourth proportional to 12,089.44, 18,137.40 and 4,694.14 is: 7,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.44 : 18,137.40 = 4,694.14 : x
  2. Step 2: Convert to fraction form
    12,089.44/18,137.40 = 4,694.14/x
  3. Step 3: Cross multiply
    12,089.44x = 18,137.40 × 4,694.14
  4. Step 4: Simplify right side
    12,089.44x = 85,139,494.84
  5. Step 5: Solve for x
    x = 85,139,494.84/12,089.44
  6. Step 6: Final answer
    x = 7,042.47

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1.5x scale

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.