Home / 7,392.12-11,089.40-3,694.48

Finding the Fourth Proportional to 7,392.12, 11,089.40 and 3,694.48

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Solution

The fourth proportional to 7,392.12, 11,089.40 and 3,694.48 is: 5,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.12 : 11,089.40 = 3,694.48 : x
  2. Step 2: Convert to fraction form
    7,392.12/11,089.40 = 3,694.48/x
  3. Step 3: Cross multiply
    7,392.12x = 11,089.40 × 3,694.48
  4. Step 4: Simplify right side
    7,392.12x = 40,969,566.51
  5. Step 5: Solve for x
    x = 40,969,566.51/7,392.12
  6. Step 6: Final answer
    x = 5,542.33

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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.