Home / 7,106.38-9,806.44-3,961.96

Finding the Fourth Proportional to 7,106.38, 9,806.44 and 3,961.96

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Solution

The fourth proportional to 7,106.38, 9,806.44 and 3,961.96 is: 5,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.38 : 9,806.44 = 3,961.96 : x
  2. Step 2: Convert to fraction form
    7,106.38/9,806.44 = 3,961.96/x
  3. Step 3: Cross multiply
    7,106.38x = 9,806.44 × 3,961.96
  4. Step 4: Simplify right side
    7,106.38x = 38,852,688.60
  5. Step 5: Solve for x
    x = 38,852,688.60/7,106.38
  6. Step 6: Final answer
    x = 5,467.30

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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.