Home / 7,869.38-11,804.14-2,025.82

Finding the Fourth Proportional to 7,869.38, 11,804.14 and 2,025.82

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Solution

The fourth proportional to 7,869.38, 11,804.14 and 2,025.82 is: 3,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.38 : 11,804.14 = 2,025.82 : x
  2. Step 2: Convert to fraction form
    7,869.38/11,804.14 = 2,025.82/x
  3. Step 3: Cross multiply
    7,869.38x = 11,804.14 × 2,025.82
  4. Step 4: Simplify right side
    7,869.38x = 23,913,062.89
  5. Step 5: Solve for x
    x = 23,913,062.89/7,869.38
  6. Step 6: Final answer
    x = 3,038.75

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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.