Home / 11,511.93-17,270.85-5,268.99

Finding the Fourth Proportional to 11,511.93, 17,270.85 and 5,268.99

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Solution

The fourth proportional to 11,511.93, 17,270.85 and 5,268.99 is: 7,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.93 : 17,270.85 = 5,268.99 : x
  2. Step 2: Convert to fraction form
    11,511.93/17,270.85 = 5,268.99/x
  3. Step 3: Cross multiply
    11,511.93x = 17,270.85 × 5,268.99
  4. Step 4: Simplify right side
    11,511.93x = 90,999,935.94
  5. Step 5: Solve for x
    x = 90,999,935.94/11,511.93
  6. Step 6: Final answer
    x = 7,904.84

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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.