Home / 7,873.26-10,861.68-4,727.64

Finding the Fourth Proportional to 7,873.26, 10,861.68 and 4,727.64

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Solution

The fourth proportional to 7,873.26, 10,861.68 and 4,727.64 is: 6,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.26 : 10,861.68 = 4,727.64 : x
  2. Step 2: Convert to fraction form
    7,873.26/10,861.68 = 4,727.64/x
  3. Step 3: Cross multiply
    7,873.26x = 10,861.68 × 4,727.64
  4. Step 4: Simplify right side
    7,873.26x = 51,350,112.84
  5. Step 5: Solve for x
    x = 51,350,112.84/7,873.26
  6. Step 6: Final answer
    x = 6,522.09

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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.