Home / 9,198.56-13,798.38-2,872.58

Finding the Fourth Proportional to 9,198.56, 13,798.38 and 2,872.58

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Solution

The fourth proportional to 9,198.56, 13,798.38 and 2,872.58 is: 4,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.56 : 13,798.38 = 2,872.58 : x
  2. Step 2: Convert to fraction form
    9,198.56/13,798.38 = 2,872.58/x
  3. Step 3: Cross multiply
    9,198.56x = 13,798.38 × 2,872.58
  4. Step 4: Simplify right side
    9,198.56x = 39,636,950.42
  5. Step 5: Solve for x
    x = 39,636,950.42/9,198.56
  6. Step 6: Final answer
    x = 4,309.04

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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.