Home / 12,193.58-18,293.88-5,176.56

Finding the Fourth Proportional to 12,193.58, 18,293.88 and 5,176.56

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Solution

The fourth proportional to 12,193.58, 18,293.88 and 5,176.56 is: 7,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.58 : 18,293.88 = 5,176.56 : x
  2. Step 2: Convert to fraction form
    12,193.58/18,293.88 = 5,176.56/x
  3. Step 3: Cross multiply
    12,193.58x = 18,293.88 × 5,176.56
  4. Step 4: Simplify right side
    12,193.58x = 94,699,367.45
  5. Step 5: Solve for x
    x = 94,699,367.45/12,193.58
  6. Step 6: Final answer
    x = 7,766.33

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1.5x scale

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.