Home / 7,310.10-10,966.79-3,412.38

Finding the Fourth Proportional to 7,310.10, 10,966.79 and 3,412.38

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Solution

The fourth proportional to 7,310.10, 10,966.79 and 3,412.38 is: 5,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.10 : 10,966.79 = 3,412.38 : x
  2. Step 2: Convert to fraction form
    7,310.10/10,966.79 = 3,412.38/x
  3. Step 3: Cross multiply
    7,310.10x = 10,966.79 × 3,412.38
  4. Step 4: Simplify right side
    7,310.10x = 37,422,837.80
  5. Step 5: Solve for x
    x = 37,422,837.80/7,310.10
  6. Step 6: Final answer
    x = 5,119.33

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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.