Home / 7,976.72-11,006.52-4,439.44

Finding the Fourth Proportional to 7,976.72, 11,006.52 and 4,439.44

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Solution

The fourth proportional to 7,976.72, 11,006.52 and 4,439.44 is: 6,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.72 : 11,006.52 = 4,439.44 : x
  2. Step 2: Convert to fraction form
    7,976.72/11,006.52 = 4,439.44/x
  3. Step 3: Cross multiply
    7,976.72x = 11,006.52 × 4,439.44
  4. Step 4: Simplify right side
    7,976.72x = 48,862,785.15
  5. Step 5: Solve for x
    x = 48,862,785.15/7,976.72
  6. Step 6: Final answer
    x = 6,125.67

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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.