Home / 11,455.07-17,181.52-3,661.79

Finding the Fourth Proportional to 11,455.07, 17,181.52 and 3,661.79

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Solution

The fourth proportional to 11,455.07, 17,181.52 and 3,661.79 is: 5,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.07 : 17,181.52 = 3,661.79 : x
  2. Step 2: Convert to fraction form
    11,455.07/17,181.52 = 3,661.79/x
  3. Step 3: Cross multiply
    11,455.07x = 17,181.52 × 3,661.79
  4. Step 4: Simplify right side
    11,455.07x = 62,915,118.12
  5. Step 5: Solve for x
    x = 62,915,118.12/11,455.07
  6. Step 6: Final answer
    x = 5,492.34

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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.