Home / 9,329.37-13,989.66-3,778.50

Finding the Fourth Proportional to 9,329.37, 13,989.66 and 3,778.50

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Solution

The fourth proportional to 9,329.37, 13,989.66 and 3,778.50 is: 5,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.37 : 13,989.66 = 3,778.50 : x
  2. Step 2: Convert to fraction form
    9,329.37/13,989.66 = 3,778.50/x
  3. Step 3: Cross multiply
    9,329.37x = 13,989.66 × 3,778.50
  4. Step 4: Simplify right side
    9,329.37x = 52,859,930.31
  5. Step 5: Solve for x
    x = 52,859,930.31/9,329.37
  6. Step 6: Final answer
    x = 5,665.97

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1.5x scale

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.