Home / 11,187.24-16,783.28-3,396.68

Finding the Fourth Proportional to 11,187.24, 16,783.28 and 3,396.68

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Solution

The fourth proportional to 11,187.24, 16,783.28 and 3,396.68 is: 5,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.24 : 16,783.28 = 3,396.68 : x
  2. Step 2: Convert to fraction form
    11,187.24/16,783.28 = 3,396.68/x
  3. Step 3: Cross multiply
    11,187.24x = 16,783.28 × 3,396.68
  4. Step 4: Simplify right side
    11,187.24x = 57,007,431.51
  5. Step 5: Solve for x
    x = 57,007,431.51/11,187.24
  6. Step 6: Final answer
    x = 5,095.75

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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.