Home / 11,492.49-17,238.78-4,097.22

Finding the Fourth Proportional to 11,492.49, 17,238.78 and 4,097.22

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Solution

The fourth proportional to 11,492.49, 17,238.78 and 4,097.22 is: 6,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.49 : 17,238.78 = 4,097.22 : x
  2. Step 2: Convert to fraction form
    11,492.49/17,238.78 = 4,097.22/x
  3. Step 3: Cross multiply
    11,492.49x = 17,238.78 × 4,097.22
  4. Step 4: Simplify right side
    11,492.49x = 70,631,074.19
  5. Step 5: Solve for x
    x = 70,631,074.19/11,492.49
  6. Step 6: Final answer
    x = 6,145.85

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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.