Home / 11,067.80-15,269.81-6,759.32

Finding the Fourth Proportional to 11,067.80, 15,269.81 and 6,759.32

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Solution

The fourth proportional to 11,067.80, 15,269.81 and 6,759.32 is: 9,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.80 : 15,269.81 = 6,759.32 : x
  2. Step 2: Convert to fraction form
    11,067.80/15,269.81 = 6,759.32/x
  3. Step 3: Cross multiply
    11,067.80x = 15,269.81 × 6,759.32
  4. Step 4: Simplify right side
    11,067.80x = 103,213,532.13
  5. Step 5: Solve for x
    x = 103,213,532.13/11,067.80
  6. Step 6: Final answer
    x = 9,325.57

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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.