Home / 11,455.49-17,180.91-3,133.52

Finding the Fourth Proportional to 11,455.49, 17,180.91 and 3,133.52

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Solution

The fourth proportional to 11,455.49, 17,180.91 and 3,133.52 is: 4,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.49 : 17,180.91 = 3,133.52 : x
  2. Step 2: Convert to fraction form
    11,455.49/17,180.91 = 3,133.52/x
  3. Step 3: Cross multiply
    11,455.49x = 17,180.91 × 3,133.52
  4. Step 4: Simplify right side
    11,455.49x = 53,836,703.63
  5. Step 5: Solve for x
    x = 53,836,703.63/11,455.49
  6. Step 6: Final answer
    x = 4,699.64

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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.