Home / 11,707.88-17,556.35-3,911.22

Finding the Fourth Proportional to 11,707.88, 17,556.35 and 3,911.22

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Solution

The fourth proportional to 11,707.88, 17,556.35 and 3,911.22 is: 5,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.88 : 17,556.35 = 3,911.22 : x
  2. Step 2: Convert to fraction form
    11,707.88/17,556.35 = 3,911.22/x
  3. Step 3: Cross multiply
    11,707.88x = 17,556.35 × 3,911.22
  4. Step 4: Simplify right side
    11,707.88x = 68,666,727.69
  5. Step 5: Solve for x
    x = 68,666,727.69/11,707.88
  6. Step 6: Final answer
    x = 5,865.00

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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.