Home / 9,194.61-12,689.49-5,418.99

Finding the Fourth Proportional to 9,194.61, 12,689.49 and 5,418.99

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Solution

The fourth proportional to 9,194.61, 12,689.49 and 5,418.99 is: 7,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.61 : 12,689.49 = 5,418.99 : x
  2. Step 2: Convert to fraction form
    9,194.61/12,689.49 = 5,418.99/x
  3. Step 3: Cross multiply
    9,194.61x = 12,689.49 × 5,418.99
  4. Step 4: Simplify right side
    9,194.61x = 68,764,251.05
  5. Step 5: Solve for x
    x = 68,764,251.05/9,194.61
  6. Step 6: Final answer
    x = 7,478.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.