Home / 28,883.18-43,326.31-9,163.26

Finding the Fourth Proportional to 28,883.18, 43,326.31 and 9,163.26

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Solution

The fourth proportional to 28,883.18, 43,326.31 and 9,163.26 is: 13,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.18 : 43,326.31 = 9,163.26 : x
  2. Step 2: Convert to fraction form
    28,883.18/43,326.31 = 9,163.26/x
  3. Step 3: Cross multiply
    28,883.18x = 43,326.31 × 9,163.26
  4. Step 4: Simplify right side
    28,883.18x = 397,010,243.37
  5. Step 5: Solve for x
    x = 397,010,243.37/28,883.18
  6. Step 6: Final answer
    x = 13,745.38

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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.