Home / 7,674.06-11,515.53-3,231.39

Finding the Fourth Proportional to 7,674.06, 11,515.53 and 3,231.39

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Solution

The fourth proportional to 7,674.06, 11,515.53 and 3,231.39 is: 4,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.06 : 11,515.53 = 3,231.39 : x
  2. Step 2: Convert to fraction form
    7,674.06/11,515.53 = 3,231.39/x
  3. Step 3: Cross multiply
    7,674.06x = 11,515.53 × 3,231.39
  4. Step 4: Simplify right side
    7,674.06x = 37,211,168.49
  5. Step 5: Solve for x
    x = 37,211,168.49/7,674.06
  6. Step 6: Final answer
    x = 4,848.95

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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.