Home / 7,399.39-10,190.41-7,376.33

Finding the Fourth Proportional to 7,399.39, 10,190.41 and 7,376.33

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Solution

The fourth proportional to 7,399.39, 10,190.41 and 7,376.33 is: 10,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.39 : 10,190.41 = 7,376.33 : x
  2. Step 2: Convert to fraction form
    7,399.39/10,190.41 = 7,376.33/x
  3. Step 3: Cross multiply
    7,399.39x = 10,190.41 × 7,376.33
  4. Step 4: Simplify right side
    7,399.39x = 75,167,827.00
  5. Step 5: Solve for x
    x = 75,167,827.00/7,399.39
  6. Step 6: Final answer
    x = 10,158.65

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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.