Home / 6,917.56-9,546.46-3,933.28

Finding the Fourth Proportional to 6,917.56, 9,546.46 and 3,933.28

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Solution

The fourth proportional to 6,917.56, 9,546.46 and 3,933.28 is: 5,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.56 : 9,546.46 = 3,933.28 : x
  2. Step 2: Convert to fraction form
    6,917.56/9,546.46 = 3,933.28/x
  3. Step 3: Cross multiply
    6,917.56x = 9,546.46 × 3,933.28
  4. Step 4: Simplify right side
    6,917.56x = 37,548,900.19
  5. Step 5: Solve for x
    x = 37,548,900.19/6,917.56
  6. Step 6: Final answer
    x = 5,428.06

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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.