Home / 11,455.60-17,183.39-3,135.68

Finding the Fourth Proportional to 11,455.60, 17,183.39 and 3,135.68

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Solution

The fourth proportional to 11,455.60, 17,183.39 and 3,135.68 is: 4,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.60 : 17,183.39 = 3,135.68 : x
  2. Step 2: Convert to fraction form
    11,455.60/17,183.39 = 3,135.68/x
  3. Step 3: Cross multiply
    11,455.60x = 17,183.39 × 3,135.68
  4. Step 4: Simplify right side
    11,455.60x = 53,881,639.64
  5. Step 5: Solve for x
    x = 53,881,639.64/11,455.60
  6. Step 6: Final answer
    x = 4,703.52

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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.