Home / 9,124.27-13,686.38-2,198.77

Finding the Fourth Proportional to 9,124.27, 13,686.38 and 2,198.77

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Solution

The fourth proportional to 9,124.27, 13,686.38 and 2,198.77 is: 3,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.27 : 13,686.38 = 2,198.77 : x
  2. Step 2: Convert to fraction form
    9,124.27/13,686.38 = 2,198.77/x
  3. Step 3: Cross multiply
    9,124.27x = 13,686.38 × 2,198.77
  4. Step 4: Simplify right side
    9,124.27x = 30,093,201.75
  5. Step 5: Solve for x
    x = 30,093,201.75/9,124.27
  6. Step 6: Final answer
    x = 3,298.15

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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.