Home / 11,455.83-17,183.66-3,135.60

Finding the Fourth Proportional to 11,455.83, 17,183.66 and 3,135.60

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Solution

The fourth proportional to 11,455.83, 17,183.66 and 3,135.60 is: 4,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.83 : 17,183.66 = 3,135.60 : x
  2. Step 2: Convert to fraction form
    11,455.83/17,183.66 = 3,135.60/x
  3. Step 3: Cross multiply
    11,455.83x = 17,183.66 × 3,135.60
  4. Step 4: Simplify right side
    11,455.83x = 53,881,068.62
  5. Step 5: Solve for x
    x = 53,881,068.62/11,455.83
  6. Step 6: Final answer
    x = 4,703.38

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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.