Home / 7,949.68-11,924.75-2,106.29

Finding the Fourth Proportional to 7,949.68, 11,924.75 and 2,106.29

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Solution

The fourth proportional to 7,949.68, 11,924.75 and 2,106.29 is: 3,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.68 : 11,924.75 = 2,106.29 : x
  2. Step 2: Convert to fraction form
    7,949.68/11,924.75 = 2,106.29/x
  3. Step 3: Cross multiply
    7,949.68x = 11,924.75 × 2,106.29
  4. Step 4: Simplify right side
    7,949.68x = 25,116,981.68
  5. Step 5: Solve for x
    x = 25,116,981.68/7,949.68
  6. Step 6: Final answer
    x = 3,159.50

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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.