Home / 7,422.84-11,136.24-2,492.64

Finding the Fourth Proportional to 7,422.84, 11,136.24 and 2,492.64

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Solution

The fourth proportional to 7,422.84, 11,136.24 and 2,492.64 is: 3,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.84 : 11,136.24 = 2,492.64 : x
  2. Step 2: Convert to fraction form
    7,422.84/11,136.24 = 2,492.64/x
  3. Step 3: Cross multiply
    7,422.84x = 11,136.24 × 2,492.64
  4. Step 4: Simplify right side
    7,422.84x = 27,758,637.27
  5. Step 5: Solve for x
    x = 27,758,637.27/7,422.84
  6. Step 6: Final answer
    x = 3,739.62

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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.