Home / 11,340-17,007.26-4,766.28

Finding the Fourth Proportional to 11,340, 17,007.26 and 4,766.28

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Solution

The fourth proportional to 11,340, 17,007.26 and 4,766.28 is: 7,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340 : 17,007.26 = 4,766.28 : x
  2. Step 2: Convert to fraction form
    11,340/17,007.26 = 4,766.28/x
  3. Step 3: Cross multiply
    11,340x = 17,007.26 × 4,766.28
  4. Step 4: Simplify right side
    11,340x = 81,061,363.19
  5. Step 5: Solve for x
    x = 81,061,363.19/11,340
  6. Step 6: Final answer
    x = 7,148.27

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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.