Home / 7,928.44-11,840.61-6,370.82

Finding the Fourth Proportional to 7,928.44, 11,840.61 and 6,370.82

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Solution

The fourth proportional to 7,928.44, 11,840.61 and 6,370.82 is: 9,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.44 : 11,840.61 = 6,370.82 : x
  2. Step 2: Convert to fraction form
    7,928.44/11,840.61 = 6,370.82/x
  3. Step 3: Cross multiply
    7,928.44x = 11,840.61 × 6,370.82
  4. Step 4: Simplify right side
    7,928.44x = 75,434,395.00
  5. Step 5: Solve for x
    x = 75,434,395.00/7,928.44
  6. Step 6: Final answer
    x = 9,514.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.