Home / 12,085.44-16,678.91-6,708.38

Finding the Fourth Proportional to 12,085.44, 16,678.91 and 6,708.38

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Solution

The fourth proportional to 12,085.44, 16,678.91 and 6,708.38 is: 9,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.44 : 16,678.91 = 6,708.38 : x
  2. Step 2: Convert to fraction form
    12,085.44/16,678.91 = 6,708.38/x
  3. Step 3: Cross multiply
    12,085.44x = 16,678.91 × 6,708.38
  4. Step 4: Simplify right side
    12,085.44x = 111,888,516.92
  5. Step 5: Solve for x
    x = 111,888,516.92/12,085.44
  6. Step 6: Final answer
    x = 9,258.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.