Home / 7,366.78-10,166.61-4,223.44

Finding the Fourth Proportional to 7,366.78, 10,166.61 and 4,223.44

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Solution

The fourth proportional to 7,366.78, 10,166.61 and 4,223.44 is: 5,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366.78 : 10,166.61 = 4,223.44 : x
  2. Step 2: Convert to fraction form
    7,366.78/10,166.61 = 4,223.44/x
  3. Step 3: Cross multiply
    7,366.78x = 10,166.61 × 4,223.44
  4. Step 4: Simplify right side
    7,366.78x = 42,938,067.34
  5. Step 5: Solve for x
    x = 42,938,067.34/7,366.78
  6. Step 6: Final answer
    x = 5,828.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.