Home / 11,933.12-16,467.92-7,216.32

Finding the Fourth Proportional to 11,933.12, 16,467.92 and 7,216.32

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Solution

The fourth proportional to 11,933.12, 16,467.92 and 7,216.32 is: 9,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.12 : 16,467.92 = 7,216.32 : x
  2. Step 2: Convert to fraction form
    11,933.12/16,467.92 = 7,216.32/x
  3. Step 3: Cross multiply
    11,933.12x = 16,467.92 × 7,216.32
  4. Step 4: Simplify right side
    11,933.12x = 118,837,780.45
  5. Step 5: Solve for x
    x = 118,837,780.45/11,933.12
  6. Step 6: Final answer
    x = 9,958.65

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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.