Home / 8,351.51-11,515.16-5,367.47

Finding the Fourth Proportional to 8,351.51, 11,515.16 and 5,367.47

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Solution

The fourth proportional to 8,351.51, 11,515.16 and 5,367.47 is: 7,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.51 : 11,515.16 = 5,367.47 : x
  2. Step 2: Convert to fraction form
    8,351.51/11,515.16 = 5,367.47/x
  3. Step 3: Cross multiply
    8,351.51x = 11,515.16 × 5,367.47
  4. Step 4: Simplify right side
    8,351.51x = 61,807,231.69
  5. Step 5: Solve for x
    x = 61,807,231.69/8,351.51
  6. Step 6: Final answer
    x = 7,400.73

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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.