Home / 9,336.45-12,879.76-5,976.57

Finding the Fourth Proportional to 9,336.45, 12,879.76 and 5,976.57

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Solution

The fourth proportional to 9,336.45, 12,879.76 and 5,976.57 is: 8,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.45 : 12,879.76 = 5,976.57 : x
  2. Step 2: Convert to fraction form
    9,336.45/12,879.76 = 5,976.57/x
  3. Step 3: Cross multiply
    9,336.45x = 12,879.76 × 5,976.57
  4. Step 4: Simplify right side
    9,336.45x = 76,976,787.22
  5. Step 5: Solve for x
    x = 76,976,787.22/9,336.45
  6. Step 6: Final answer
    x = 8,244.76

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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.