Home / 12,550.28-18,811.67-4,646.03

Finding the Fourth Proportional to 12,550.28, 18,811.67 and 4,646.03

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Solution

The fourth proportional to 12,550.28, 18,811.67 and 4,646.03 is: 6,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.28 : 18,811.67 = 4,646.03 : x
  2. Step 2: Convert to fraction form
    12,550.28/18,811.67 = 4,646.03/x
  3. Step 3: Cross multiply
    12,550.28x = 18,811.67 × 4,646.03
  4. Step 4: Simplify right side
    12,550.28x = 87,399,465.88
  5. Step 5: Solve for x
    x = 87,399,465.88/12,550.28
  6. Step 6: Final answer
    x = 6,963.95

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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.