Home / 7,578.16-11,367.36-2,313.28

Finding the Fourth Proportional to 7,578.16, 11,367.36 and 2,313.28

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Solution

The fourth proportional to 7,578.16, 11,367.36 and 2,313.28 is: 3,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.16 : 11,367.36 = 2,313.28 : x
  2. Step 2: Convert to fraction form
    7,578.16/11,367.36 = 2,313.28/x
  3. Step 3: Cross multiply
    7,578.16x = 11,367.36 × 2,313.28
  4. Step 4: Simplify right side
    7,578.16x = 26,295,886.54
  5. Step 5: Solve for x
    x = 26,295,886.54/7,578.16
  6. Step 6: Final answer
    x = 3,469.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.