Home / 7,964.36-10,992.48-5,451.56

Finding the Fourth Proportional to 7,964.36, 10,992.48 and 5,451.56

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Solution

The fourth proportional to 7,964.36, 10,992.48 and 5,451.56 is: 7,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.36 : 10,992.48 = 5,451.56 : x
  2. Step 2: Convert to fraction form
    7,964.36/10,992.48 = 5,451.56/x
  3. Step 3: Cross multiply
    7,964.36x = 10,992.48 × 5,451.56
  4. Step 4: Simplify right side
    7,964.36x = 59,926,164.27
  5. Step 5: Solve for x
    x = 59,926,164.27/7,964.36
  6. Step 6: Final answer
    x = 7,524.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.