Home / 11,830.63-17,748.94-4,435.11

Finding the Fourth Proportional to 11,830.63, 17,748.94 and 4,435.11

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Solution

The fourth proportional to 11,830.63, 17,748.94 and 4,435.11 is: 6,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830.63 : 17,748.94 = 4,435.11 : x
  2. Step 2: Convert to fraction form
    11,830.63/17,748.94 = 4,435.11/x
  3. Step 3: Cross multiply
    11,830.63x = 17,748.94 × 4,435.11
  4. Step 4: Simplify right side
    11,830.63x = 78,718,401.45
  5. Step 5: Solve for x
    x = 78,718,401.45/11,830.63
  6. Step 6: Final answer
    x = 6,653.78

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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.