Home / 7,923.48-10,906.20-6,926.28

Finding the Fourth Proportional to 7,923.48, 10,906.20 and 6,926.28

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Solution

The fourth proportional to 7,923.48, 10,906.20 and 6,926.28 is: 9,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.48 : 10,906.20 = 6,926.28 : x
  2. Step 2: Convert to fraction form
    7,923.48/10,906.20 = 6,926.28/x
  3. Step 3: Cross multiply
    7,923.48x = 10,906.20 × 6,926.28
  4. Step 4: Simplify right side
    7,923.48x = 75,539,394.94
  5. Step 5: Solve for x
    x = 75,539,394.94/7,923.48
  6. Step 6: Final answer
    x = 9,533.61

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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.