Home / 7,150.14-10,725.39-1,956.06

Finding the Fourth Proportional to 7,150.14, 10,725.39 and 1,956.06

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Solution

The fourth proportional to 7,150.14, 10,725.39 and 1,956.06 is: 2,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.14 : 10,725.39 = 1,956.06 : x
  2. Step 2: Convert to fraction form
    7,150.14/10,725.39 = 1,956.06/x
  3. Step 3: Cross multiply
    7,150.14x = 10,725.39 × 1,956.06
  4. Step 4: Simplify right side
    7,150.14x = 20,979,506.36
  5. Step 5: Solve for x
    x = 20,979,506.36/7,150.14
  6. Step 6: Final answer
    x = 2,934.14

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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.