Home / 6,809.28-9,396.78-4,156.26

Finding the Fourth Proportional to 6,809.28, 9,396.78 and 4,156.26

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Solution

The fourth proportional to 6,809.28, 9,396.78 and 4,156.26 is: 5,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.28 : 9,396.78 = 4,156.26 : x
  2. Step 2: Convert to fraction form
    6,809.28/9,396.78 = 4,156.26/x
  3. Step 3: Cross multiply
    6,809.28x = 9,396.78 × 4,156.26
  4. Step 4: Simplify right side
    6,809.28x = 39,055,460.84
  5. Step 5: Solve for x
    x = 39,055,460.84/6,809.28
  6. Step 6: Final answer
    x = 5,735.62

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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.