Home / 7,771.60-11,644.44-5,458.96

Finding the Fourth Proportional to 7,771.60, 11,644.44 and 5,458.96

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Solution

The fourth proportional to 7,771.60, 11,644.44 and 5,458.96 is: 8,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.60 : 11,644.44 = 5,458.96 : x
  2. Step 2: Convert to fraction form
    7,771.60/11,644.44 = 5,458.96/x
  3. Step 3: Cross multiply
    7,771.60x = 11,644.44 × 5,458.96
  4. Step 4: Simplify right side
    7,771.60x = 63,566,532.18
  5. Step 5: Solve for x
    x = 63,566,532.18/7,771.60
  6. Step 6: Final answer
    x = 8,179.34

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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.