Home / 12,717.75-19,076.76-3,483.75

Finding the Fourth Proportional to 12,717.75, 19,076.76 and 3,483.75

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Solution

The fourth proportional to 12,717.75, 19,076.76 and 3,483.75 is: 5,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.75 : 19,076.76 = 3,483.75 : x
  2. Step 2: Convert to fraction form
    12,717.75/19,076.76 = 3,483.75/x
  3. Step 3: Cross multiply
    12,717.75x = 19,076.76 × 3,483.75
  4. Step 4: Simplify right side
    12,717.75x = 66,458,662.65
  5. Step 5: Solve for x
    x = 66,458,662.65/12,717.75
  6. Step 6: Final answer
    x = 5,225.66

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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.