Home / 12,085.14-16,678.36-6,707.86

Finding the Fourth Proportional to 12,085.14, 16,678.36 and 6,707.86

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Solution

The fourth proportional to 12,085.14, 16,678.36 and 6,707.86 is: 9,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.14 : 16,678.36 = 6,707.86 : x
  2. Step 2: Convert to fraction form
    12,085.14/16,678.36 = 6,707.86/x
  3. Step 3: Cross multiply
    12,085.14x = 16,678.36 × 6,707.86
  4. Step 4: Simplify right side
    12,085.14x = 111,876,103.91
  5. Step 5: Solve for x
    x = 111,876,103.91/12,085.14
  6. Step 6: Final answer
    x = 9,257.33

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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.