Home / 7,315.47-10,092.74-4,481.82

Finding the Fourth Proportional to 7,315.47, 10,092.74 and 4,481.82

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Solution

The fourth proportional to 7,315.47, 10,092.74 and 4,481.82 is: 6,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.47 : 10,092.74 = 4,481.82 : x
  2. Step 2: Convert to fraction form
    7,315.47/10,092.74 = 4,481.82/x
  3. Step 3: Cross multiply
    7,315.47x = 10,092.74 × 4,481.82
  4. Step 4: Simplify right side
    7,315.47x = 45,233,821.58
  5. Step 5: Solve for x
    x = 45,233,821.58/7,315.47
  6. Step 6: Final answer
    x = 6,183.31

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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.