Home / 7,968.60-11,948.51-3,809.66

Finding the Fourth Proportional to 7,968.60, 11,948.51 and 3,809.66

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Solution

The fourth proportional to 7,968.60, 11,948.51 and 3,809.66 is: 5,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.60 : 11,948.51 = 3,809.66 : x
  2. Step 2: Convert to fraction form
    7,968.60/11,948.51 = 3,809.66/x
  3. Step 3: Cross multiply
    7,968.60x = 11,948.51 × 3,809.66
  4. Step 4: Simplify right side
    7,968.60x = 45,519,710.39
  5. Step 5: Solve for x
    x = 45,519,710.39/7,968.60
  6. Step 6: Final answer
    x = 5,712.38

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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.