Home / 7,917.17-10,918.46-6,797.75

Finding the Fourth Proportional to 7,917.17, 10,918.46 and 6,797.75

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Solution

The fourth proportional to 7,917.17, 10,918.46 and 6,797.75 is: 9,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.17 : 10,918.46 = 6,797.75 : x
  2. Step 2: Convert to fraction form
    7,917.17/10,918.46 = 6,797.75/x
  3. Step 3: Cross multiply
    7,917.17x = 10,918.46 × 6,797.75
  4. Step 4: Simplify right side
    7,917.17x = 74,220,923.87
  5. Step 5: Solve for x
    x = 74,220,923.87/7,917.17
  6. Step 6: Final answer
    x = 9,374.68

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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.