Home / 11,364.75-15,683.40-6,396.75

Finding the Fourth Proportional to 11,364.75, 15,683.40 and 6,396.75

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Solution

The fourth proportional to 11,364.75, 15,683.40 and 6,396.75 is: 8,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.75 : 15,683.40 = 6,396.75 : x
  2. Step 2: Convert to fraction form
    11,364.75/15,683.40 = 6,396.75/x
  3. Step 3: Cross multiply
    11,364.75x = 15,683.40 × 6,396.75
  4. Step 4: Simplify right side
    11,364.75x = 100,322,788.95
  5. Step 5: Solve for x
    x = 100,322,788.95/11,364.75
  6. Step 6: Final answer
    x = 8,827.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.