Home / 8,912.07-13,369.47-3,067.32

Finding the Fourth Proportional to 8,912.07, 13,369.47 and 3,067.32

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Solution

The fourth proportional to 8,912.07, 13,369.47 and 3,067.32 is: 4,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.07 : 13,369.47 = 3,067.32 : x
  2. Step 2: Convert to fraction form
    8,912.07/13,369.47 = 3,067.32/x
  3. Step 3: Cross multiply
    8,912.07x = 13,369.47 × 3,067.32
  4. Step 4: Simplify right side
    8,912.07x = 41,008,442.72
  5. Step 5: Solve for x
    x = 41,008,442.72/8,912.07
  6. Step 6: Final answer
    x = 4,601.45

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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.