Home / 7,949.52-11,922.96-2,106.24

Finding the Fourth Proportional to 7,949.52, 11,922.96 and 2,106.24

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Solution

The fourth proportional to 7,949.52, 11,922.96 and 2,106.24 is: 3,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.52 : 11,922.96 = 2,106.24 : x
  2. Step 2: Convert to fraction form
    7,949.52/11,922.96 = 2,106.24/x
  3. Step 3: Cross multiply
    7,949.52x = 11,922.96 × 2,106.24
  4. Step 4: Simplify right side
    7,949.52x = 25,112,615.27
  5. Step 5: Solve for x
    x = 25,112,615.27/7,949.52
  6. Step 6: Final answer
    x = 3,159.01

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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.