Home / 7,380.86-11,065.82-4,458.48

Finding the Fourth Proportional to 7,380.86, 11,065.82 and 4,458.48

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Solution

The fourth proportional to 7,380.86, 11,065.82 and 4,458.48 is: 6,684.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.86 : 11,065.82 = 4,458.48 : x
  2. Step 2: Convert to fraction form
    7,380.86/11,065.82 = 4,458.48/x
  3. Step 3: Cross multiply
    7,380.86x = 11,065.82 × 4,458.48
  4. Step 4: Simplify right side
    7,380.86x = 49,336,673.36
  5. Step 5: Solve for x
    x = 49,336,673.36/7,380.86
  6. Step 6: Final answer
    x = 6,684.41

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1.5x scale

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.