Home / 7,514.24-11,328.41-7,112.37

Finding the Fourth Proportional to 7,514.24, 11,328.41 and 7,112.37

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Solution

The fourth proportional to 7,514.24, 11,328.41 and 7,112.37 is: 10,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.24 : 11,328.41 = 7,112.37 : x
  2. Step 2: Convert to fraction form
    7,514.24/11,328.41 = 7,112.37/x
  3. Step 3: Cross multiply
    7,514.24x = 11,328.41 × 7,112.37
  4. Step 4: Simplify right side
    7,514.24x = 80,571,807.87
  5. Step 5: Solve for x
    x = 80,571,807.87/7,514.24
  6. Step 6: Final answer
    x = 10,722.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.