Home / 7,326.62-10,110.70-3,969.42

Finding the Fourth Proportional to 7,326.62, 10,110.70 and 3,969.42

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Solution

The fourth proportional to 7,326.62, 10,110.70 and 3,969.42 is: 5,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.62 : 10,110.70 = 3,969.42 : x
  2. Step 2: Convert to fraction form
    7,326.62/10,110.70 = 3,969.42/x
  3. Step 3: Cross multiply
    7,326.62x = 10,110.70 × 3,969.42
  4. Step 4: Simplify right side
    7,326.62x = 40,133,614.79
  5. Step 5: Solve for x
    x = 40,133,614.79/7,326.62
  6. Step 6: Final answer
    x = 5,477.78

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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.