Home / 7,775.06-10,729.87-4,418.44

Finding the Fourth Proportional to 7,775.06, 10,729.87 and 4,418.44

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Solution

The fourth proportional to 7,775.06, 10,729.87 and 4,418.44 is: 6,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.06 : 10,729.87 = 4,418.44 : x
  2. Step 2: Convert to fraction form
    7,775.06/10,729.87 = 4,418.44/x
  3. Step 3: Cross multiply
    7,775.06x = 10,729.87 × 4,418.44
  4. Step 4: Simplify right side
    7,775.06x = 47,409,286.80
  5. Step 5: Solve for x
    x = 47,409,286.80/7,775.06
  6. Step 6: Final answer
    x = 6,097.61

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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.