Home / 7,869.93-11,801.89-2,603.35

Finding the Fourth Proportional to 7,869.93, 11,801.89 and 2,603.35

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Solution

The fourth proportional to 7,869.93, 11,801.89 and 2,603.35 is: 3,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.93 : 11,801.89 = 2,603.35 : x
  2. Step 2: Convert to fraction form
    7,869.93/11,801.89 = 2,603.35/x
  3. Step 3: Cross multiply
    7,869.93x = 11,801.89 × 2,603.35
  4. Step 4: Simplify right side
    7,869.93x = 30,724,450.33
  5. Step 5: Solve for x
    x = 30,724,450.33/7,869.93
  6. Step 6: Final answer
    x = 3,904.03

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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.