Home / 11,393.79-17,090.57-3,602.60

Finding the Fourth Proportional to 11,393.79, 17,090.57 and 3,602.60

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Solution

The fourth proportional to 11,393.79, 17,090.57 and 3,602.60 is: 5,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.79 : 17,090.57 = 3,602.60 : x
  2. Step 2: Convert to fraction form
    11,393.79/17,090.57 = 3,602.60/x
  3. Step 3: Cross multiply
    11,393.79x = 17,090.57 × 3,602.60
  4. Step 4: Simplify right side
    11,393.79x = 61,570,487.48
  5. Step 5: Solve for x
    x = 61,570,487.48/11,393.79
  6. Step 6: Final answer
    x = 5,403.86

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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.