Home / 7,968.47-11,949.66-3,036.78

Finding the Fourth Proportional to 7,968.47, 11,949.66 and 3,036.78

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Solution

The fourth proportional to 7,968.47, 11,949.66 and 3,036.78 is: 4,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.47 : 11,949.66 = 3,036.78 : x
  2. Step 2: Convert to fraction form
    7,968.47/11,949.66 = 3,036.78/x
  3. Step 3: Cross multiply
    7,968.47x = 11,949.66 × 3,036.78
  4. Step 4: Simplify right side
    7,968.47x = 36,288,488.49
  5. Step 5: Solve for x
    x = 36,288,488.49/7,968.47
  6. Step 6: Final answer
    x = 4,554.01

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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.