Home / 12,012.48-16,579.62-7,994.52

Finding the Fourth Proportional to 12,012.48, 16,579.62 and 7,994.52

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Solution

The fourth proportional to 12,012.48, 16,579.62 and 7,994.52 is: 11,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.48 : 16,579.62 = 7,994.52 : x
  2. Step 2: Convert to fraction form
    12,012.48/16,579.62 = 7,994.52/x
  3. Step 3: Cross multiply
    12,012.48x = 16,579.62 × 7,994.52
  4. Step 4: Simplify right side
    12,012.48x = 132,546,103.68
  5. Step 5: Solve for x
    x = 132,546,103.68/12,012.48
  6. Step 6: Final answer
    x = 11,034.03

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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.