Home / 7,818.60-11,730.06-4,525.68

Finding the Fourth Proportional to 7,818.60, 11,730.06 and 4,525.68

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Solution

The fourth proportional to 7,818.60, 11,730.06 and 4,525.68 is: 6,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.60 : 11,730.06 = 4,525.68 : x
  2. Step 2: Convert to fraction form
    7,818.60/11,730.06 = 4,525.68/x
  3. Step 3: Cross multiply
    7,818.60x = 11,730.06 × 4,525.68
  4. Step 4: Simplify right side
    7,818.60x = 53,086,497.94
  5. Step 5: Solve for x
    x = 53,086,497.94/7,818.60
  6. Step 6: Final answer
    x = 6,789.77

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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.