Home / 7,625.07-11,425.79-5,289.62

Finding the Fourth Proportional to 7,625.07, 11,425.79 and 5,289.62

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Solution

The fourth proportional to 7,625.07, 11,425.79 and 5,289.62 is: 7,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.07 : 11,425.79 = 5,289.62 : x
  2. Step 2: Convert to fraction form
    7,625.07/11,425.79 = 5,289.62/x
  3. Step 3: Cross multiply
    7,625.07x = 11,425.79 × 5,289.62
  4. Step 4: Simplify right side
    7,625.07x = 60,438,003.72
  5. Step 5: Solve for x
    x = 60,438,003.72/7,625.07
  6. Step 6: Final answer
    x = 7,926.22

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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.