Home / 12,089.07-18,132.05-3,324.68

Finding the Fourth Proportional to 12,089.07, 18,132.05 and 3,324.68

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Solution

The fourth proportional to 12,089.07, 18,132.05 and 3,324.68 is: 4,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.07 : 18,132.05 = 3,324.68 : x
  2. Step 2: Convert to fraction form
    12,089.07/18,132.05 = 3,324.68/x
  3. Step 3: Cross multiply
    12,089.07x = 18,132.05 × 3,324.68
  4. Step 4: Simplify right side
    12,089.07x = 60,283,156.71
  5. Step 5: Solve for x
    x = 60,283,156.71/12,089.07
  6. Step 6: Final answer
    x = 4,986.58

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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.