Home / 7,643.12-11,464.69-2,096.54

Finding the Fourth Proportional to 7,643.12, 11,464.69 and 2,096.54

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Solution

The fourth proportional to 7,643.12, 11,464.69 and 2,096.54 is: 3,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.12 : 11,464.69 = 2,096.54 : x
  2. Step 2: Convert to fraction form
    7,643.12/11,464.69 = 2,096.54/x
  3. Step 3: Cross multiply
    7,643.12x = 11,464.69 × 2,096.54
  4. Step 4: Simplify right side
    7,643.12x = 24,036,118.61
  5. Step 5: Solve for x
    x = 24,036,118.61/7,643.12
  6. Step 6: Final answer
    x = 3,144.81

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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.