Home / 11,143.89-16,715.43-3,352.50

Finding the Fourth Proportional to 11,143.89, 16,715.43 and 3,352.50

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Solution

The fourth proportional to 11,143.89, 16,715.43 and 3,352.50 is: 5,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.89 : 16,715.43 = 3,352.50 : x
  2. Step 2: Convert to fraction form
    11,143.89/16,715.43 = 3,352.50/x
  3. Step 3: Cross multiply
    11,143.89x = 16,715.43 × 3,352.50
  4. Step 4: Simplify right side
    11,143.89x = 56,038,479.08
  5. Step 5: Solve for x
    x = 56,038,479.08/11,143.89
  6. Step 6: Final answer
    x = 5,028.63

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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.