Home / 9,042.45-13,564.35-3,198.30

Finding the Fourth Proportional to 9,042.45, 13,564.35 and 3,198.30

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Solution

The fourth proportional to 9,042.45, 13,564.35 and 3,198.30 is: 4,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.45 : 13,564.35 = 3,198.30 : x
  2. Step 2: Convert to fraction form
    9,042.45/13,564.35 = 3,198.30/x
  3. Step 3: Cross multiply
    9,042.45x = 13,564.35 × 3,198.30
  4. Step 4: Simplify right side
    9,042.45x = 43,382,860.61
  5. Step 5: Solve for x
    x = 43,382,860.61/9,042.45
  6. Step 6: Final answer
    x = 4,797.69

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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.