Home / 11,485.26-17,230.59-4,090.32

Finding the Fourth Proportional to 11,485.26, 17,230.59 and 4,090.32

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Solution

The fourth proportional to 11,485.26, 17,230.59 and 4,090.32 is: 6,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.26 : 17,230.59 = 4,090.32 : x
  2. Step 2: Convert to fraction form
    11,485.26/17,230.59 = 4,090.32/x
  3. Step 3: Cross multiply
    11,485.26x = 17,230.59 × 4,090.32
  4. Step 4: Simplify right side
    11,485.26x = 70,478,626.89
  5. Step 5: Solve for x
    x = 70,478,626.89/11,485.26
  6. Step 6: Final answer
    x = 6,136.44

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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.