Home / 11,711.15-17,554.42-7,268.81

Finding the Fourth Proportional to 11,711.15, 17,554.42 and 7,268.81

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Solution

The fourth proportional to 11,711.15, 17,554.42 and 7,268.81 is: 10,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.15 : 17,554.42 = 7,268.81 : x
  2. Step 2: Convert to fraction form
    11,711.15/17,554.42 = 7,268.81/x
  3. Step 3: Cross multiply
    11,711.15x = 17,554.42 × 7,268.81
  4. Step 4: Simplify right side
    11,711.15x = 127,599,743.64
  5. Step 5: Solve for x
    x = 127,599,743.64/11,711.15
  6. Step 6: Final answer
    x = 10,895.58

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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.