Home / 11,721.57-17,554.20-6,708.75

Finding the Fourth Proportional to 11,721.57, 17,554.20 and 6,708.75

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Solution

The fourth proportional to 11,721.57, 17,554.20 and 6,708.75 is: 10,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.57 : 17,554.20 = 6,708.75 : x
  2. Step 2: Convert to fraction form
    11,721.57/17,554.20 = 6,708.75/x
  3. Step 3: Cross multiply
    11,721.57x = 17,554.20 × 6,708.75
  4. Step 4: Simplify right side
    11,721.57x = 117,766,739.25
  5. Step 5: Solve for x
    x = 117,766,739.25/11,721.57
  6. Step 6: Final answer
    x = 10,047.01

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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.