Home / 27,707.40-41,561.22-7,986.36

Finding the Fourth Proportional to 27,707.40, 41,561.22 and 7,986.36

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Solution

The fourth proportional to 27,707.40, 41,561.22 and 7,986.36 is: 11,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.40 : 41,561.22 = 7,986.36 : x
  2. Step 2: Convert to fraction form
    27,707.40/41,561.22 = 7,986.36/x
  3. Step 3: Cross multiply
    27,707.40x = 41,561.22 × 7,986.36
  4. Step 4: Simplify right side
    27,707.40x = 331,922,864.96
  5. Step 5: Solve for x
    x = 331,922,864.96/27,707.40
  6. Step 6: Final answer
    x = 11,979.57

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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.