Home / 12,295.74-18,446.34-3,529.98

Finding the Fourth Proportional to 12,295.74, 18,446.34 and 3,529.98

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Solution

The fourth proportional to 12,295.74, 18,446.34 and 3,529.98 is: 5,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.74 : 18,446.34 = 3,529.98 : x
  2. Step 2: Convert to fraction form
    12,295.74/18,446.34 = 3,529.98/x
  3. Step 3: Cross multiply
    12,295.74x = 18,446.34 × 3,529.98
  4. Step 4: Simplify right side
    12,295.74x = 65,115,211.27
  5. Step 5: Solve for x
    x = 65,115,211.27/12,295.74
  6. Step 6: Final answer
    x = 5,295.75

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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.