Home / 7,424.16-11,135.04-2,492.64

Finding the Fourth Proportional to 7,424.16, 11,135.04 and 2,492.64

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Solution

The fourth proportional to 7,424.16, 11,135.04 and 2,492.64 is: 3,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.16 : 11,135.04 = 2,492.64 : x
  2. Step 2: Convert to fraction form
    7,424.16/11,135.04 = 2,492.64/x
  3. Step 3: Cross multiply
    7,424.16x = 11,135.04 × 2,492.64
  4. Step 4: Simplify right side
    7,424.16x = 27,755,646.11
  5. Step 5: Solve for x
    x = 27,755,646.11/7,424.16
  6. Step 6: Final answer
    x = 3,738.56

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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.