Home / 7,955.96-11,934.05-2,112.53

Finding the Fourth Proportional to 7,955.96, 11,934.05 and 2,112.53

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Solution

The fourth proportional to 7,955.96, 11,934.05 and 2,112.53 is: 3,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.96 : 11,934.05 = 2,112.53 : x
  2. Step 2: Convert to fraction form
    7,955.96/11,934.05 = 2,112.53/x
  3. Step 3: Cross multiply
    7,955.96x = 11,934.05 × 2,112.53
  4. Step 4: Simplify right side
    7,955.96x = 25,210,968.41
  5. Step 5: Solve for x
    x = 25,210,968.41/7,955.96
  6. Step 6: Final answer
    x = 3,168.82

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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.