Home / 12,792.24-19,166.76-7,851.60

Finding the Fourth Proportional to 12,792.24, 19,166.76 and 7,851.60

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Solution

The fourth proportional to 12,792.24, 19,166.76 and 7,851.60 is: 11,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.24 : 19,166.76 = 7,851.60 : x
  2. Step 2: Convert to fraction form
    12,792.24/19,166.76 = 7,851.60/x
  3. Step 3: Cross multiply
    12,792.24x = 19,166.76 × 7,851.60
  4. Step 4: Simplify right side
    12,792.24x = 150,489,732.82
  5. Step 5: Solve for x
    x = 150,489,732.82/12,792.24
  6. Step 6: Final answer
    x = 11,764.14

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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.