Home / 7,869.86-11,801.94-2,674.52

Finding the Fourth Proportional to 7,869.86, 11,801.94 and 2,674.52

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Solution

The fourth proportional to 7,869.86, 11,801.94 and 2,674.52 is: 4,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.86 : 11,801.94 = 2,674.52 : x
  2. Step 2: Convert to fraction form
    7,869.86/11,801.94 = 2,674.52/x
  3. Step 3: Cross multiply
    7,869.86x = 11,801.94 × 2,674.52
  4. Step 4: Simplify right side
    7,869.86x = 31,564,465.56
  5. Step 5: Solve for x
    x = 31,564,465.56/7,869.86
  6. Step 6: Final answer
    x = 4,010.81

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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.