Home / 9,747.12-14,622.96-2,821.44

Finding the Fourth Proportional to 9,747.12, 14,622.96 and 2,821.44

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Solution

The fourth proportional to 9,747.12, 14,622.96 and 2,821.44 is: 4,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.12 : 14,622.96 = 2,821.44 : x
  2. Step 2: Convert to fraction form
    9,747.12/14,622.96 = 2,821.44/x
  3. Step 3: Cross multiply
    9,747.12x = 14,622.96 × 2,821.44
  4. Step 4: Simplify right side
    9,747.12x = 41,257,804.26
  5. Step 5: Solve for x
    x = 41,257,804.26/9,747.12
  6. Step 6: Final answer
    x = 4,232.82

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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.