Home / 11,392.10-17,090.62-3,494.64

Finding the Fourth Proportional to 11,392.10, 17,090.62 and 3,494.64

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Solution

The fourth proportional to 11,392.10, 17,090.62 and 3,494.64 is: 5,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.10 : 17,090.62 = 3,494.64 : x
  2. Step 2: Convert to fraction form
    11,392.10/17,090.62 = 3,494.64/x
  3. Step 3: Cross multiply
    11,392.10x = 17,090.62 × 3,494.64
  4. Step 4: Simplify right side
    11,392.10x = 59,725,564.28
  5. Step 5: Solve for x
    x = 59,725,564.28/11,392.10
  6. Step 6: Final answer
    x = 5,242.72

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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.