Home / 9,091.36-13,638.80-3,544.48

Finding the Fourth Proportional to 9,091.36, 13,638.80 and 3,544.48

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Solution

The fourth proportional to 9,091.36, 13,638.80 and 3,544.48 is: 5,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.36 : 13,638.80 = 3,544.48 : x
  2. Step 2: Convert to fraction form
    9,091.36/13,638.80 = 3,544.48/x
  3. Step 3: Cross multiply
    9,091.36x = 13,638.80 × 3,544.48
  4. Step 4: Simplify right side
    9,091.36x = 48,342,453.82
  5. Step 5: Solve for x
    x = 48,342,453.82/9,091.36
  6. Step 6: Final answer
    x = 5,317.41

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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.