Home / 8,945.34-13,409.79-3,097.86

Finding the Fourth Proportional to 8,945.34, 13,409.79 and 3,097.86

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Solution

The fourth proportional to 8,945.34, 13,409.79 and 3,097.86 is: 4,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.34 : 13,409.79 = 3,097.86 : x
  2. Step 2: Convert to fraction form
    8,945.34/13,409.79 = 3,097.86/x
  3. Step 3: Cross multiply
    8,945.34x = 13,409.79 × 3,097.86
  4. Step 4: Simplify right side
    8,945.34x = 41,541,652.05
  5. Step 5: Solve for x
    x = 41,541,652.05/8,945.34
  6. Step 6: Final answer
    x = 4,643.94

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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.