Home / 7,863.60-11,775.94-4,566.72

Finding the Fourth Proportional to 7,863.60, 11,775.94 and 4,566.72

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Solution

The fourth proportional to 7,863.60, 11,775.94 and 4,566.72 is: 6,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.60 : 11,775.94 = 4,566.72 : x
  2. Step 2: Convert to fraction form
    7,863.60/11,775.94 = 4,566.72/x
  3. Step 3: Cross multiply
    7,863.60x = 11,775.94 × 4,566.72
  4. Step 4: Simplify right side
    7,863.60x = 53,777,420.72
  5. Step 5: Solve for x
    x = 53,777,420.72/7,863.60
  6. Step 6: Final answer
    x = 6,838.78

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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.