Home / 31,112.54-46,668.57-7,738.98

Finding the Fourth Proportional to 31,112.54, 46,668.57 and 7,738.98

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Solution

The fourth proportional to 31,112.54, 46,668.57 and 7,738.98 is: 11,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.54 : 46,668.57 = 7,738.98 : x
  2. Step 2: Convert to fraction form
    31,112.54/46,668.57 = 7,738.98/x
  3. Step 3: Cross multiply
    31,112.54x = 46,668.57 × 7,738.98
  4. Step 4: Simplify right side
    31,112.54x = 361,167,129.86
  5. Step 5: Solve for x
    x = 361,167,129.86/31,112.54
  6. Step 6: Final answer
    x = 11,608.41

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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.