Home / 12,089.14-18,133.35-3,324.58

Finding the Fourth Proportional to 12,089.14, 18,133.35 and 3,324.58

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Solution

The fourth proportional to 12,089.14, 18,133.35 and 3,324.58 is: 4,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.14 : 18,133.35 = 3,324.58 : x
  2. Step 2: Convert to fraction form
    12,089.14/18,133.35 = 3,324.58/x
  3. Step 3: Cross multiply
    12,089.14x = 18,133.35 × 3,324.58
  4. Step 4: Simplify right side
    12,089.14x = 60,285,772.74
  5. Step 5: Solve for x
    x = 60,285,772.74/12,089.14
  6. Step 6: Final answer
    x = 4,986.77

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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.