Home / 7,976.25-11,007.23-4,664.25

Finding the Fourth Proportional to 7,976.25, 11,007.23 and 4,664.25

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Solution

The fourth proportional to 7,976.25, 11,007.23 and 4,664.25 is: 6,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.25 : 11,007.23 = 4,664.25 : x
  2. Step 2: Convert to fraction form
    7,976.25/11,007.23 = 4,664.25/x
  3. Step 3: Cross multiply
    7,976.25x = 11,007.23 × 4,664.25
  4. Step 4: Simplify right side
    7,976.25x = 51,340,449.21
  5. Step 5: Solve for x
    x = 51,340,449.21/7,976.25
  6. Step 6: Final answer
    x = 6,436.67

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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.