Home / 7,934.95-11,902.47-2,388.26

Finding the Fourth Proportional to 7,934.95, 11,902.47 and 2,388.26

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Solution

The fourth proportional to 7,934.95, 11,902.47 and 2,388.26 is: 3,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.95 : 11,902.47 = 2,388.26 : x
  2. Step 2: Convert to fraction form
    7,934.95/11,902.47 = 2,388.26/x
  3. Step 3: Cross multiply
    7,934.95x = 11,902.47 × 2,388.26
  4. Step 4: Simplify right side
    7,934.95x = 28,426,121.55
  5. Step 5: Solve for x
    x = 28,426,121.55/7,934.95
  6. Step 6: Final answer
    x = 3,582.39

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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.