Home / 12,216.03-18,324.59-3,451.63

Finding the Fourth Proportional to 12,216.03, 18,324.59 and 3,451.63

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Solution

The fourth proportional to 12,216.03, 18,324.59 and 3,451.63 is: 5,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.03 : 18,324.59 = 3,451.63 : x
  2. Step 2: Convert to fraction form
    12,216.03/18,324.59 = 3,451.63/x
  3. Step 3: Cross multiply
    12,216.03x = 18,324.59 × 3,451.63
  4. Step 4: Simplify right side
    12,216.03x = 63,249,704.58
  5. Step 5: Solve for x
    x = 63,249,704.58/12,216.03
  6. Step 6: Final answer
    x = 5,177.60

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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.