Home / 7,550.62-11,345.06-4,778.60

Finding the Fourth Proportional to 7,550.62, 11,345.06 and 4,778.60

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Solution

The fourth proportional to 7,550.62, 11,345.06 and 4,778.60 is: 7,180.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.62 : 11,345.06 = 4,778.60 : x
  2. Step 2: Convert to fraction form
    7,550.62/11,345.06 = 4,778.60/x
  3. Step 3: Cross multiply
    7,550.62x = 11,345.06 × 4,778.60
  4. Step 4: Simplify right side
    7,550.62x = 54,213,458.94
  5. Step 5: Solve for x
    x = 54,213,458.94/7,550.62
  6. Step 6: Final answer
    x = 7,180.00

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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.