Home / 9,367.50-12,927.15-5,175.75

Finding the Fourth Proportional to 9,367.50, 12,927.15 and 5,175.75

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Solution

The fourth proportional to 9,367.50, 12,927.15 and 5,175.75 is: 7,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.50 : 12,927.15 = 5,175.75 : x
  2. Step 2: Convert to fraction form
    9,367.50/12,927.15 = 5,175.75/x
  3. Step 3: Cross multiply
    9,367.50x = 12,927.15 × 5,175.75
  4. Step 4: Simplify right side
    9,367.50x = 66,907,696.61
  5. Step 5: Solve for x
    x = 66,907,696.61/9,367.50
  6. Step 6: Final answer
    x = 7,142.54

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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.