Home / 7,824.55-11,730.74-3,873.08

Finding the Fourth Proportional to 7,824.55, 11,730.74 and 3,873.08

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Solution

The fourth proportional to 7,824.55, 11,730.74 and 3,873.08 is: 5,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.55 : 11,730.74 = 3,873.08 : x
  2. Step 2: Convert to fraction form
    7,824.55/11,730.74 = 3,873.08/x
  3. Step 3: Cross multiply
    7,824.55x = 11,730.74 × 3,873.08
  4. Step 4: Simplify right side
    7,824.55x = 45,434,104.44
  5. Step 5: Solve for x
    x = 45,434,104.44/7,824.55
  6. Step 6: Final answer
    x = 5,806.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.