Home / 7,918.69-11,876.15-2,370.55

Finding the Fourth Proportional to 7,918.69, 11,876.15 and 2,370.55

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Solution

The fourth proportional to 7,918.69, 11,876.15 and 2,370.55 is: 3,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.69 : 11,876.15 = 2,370.55 : x
  2. Step 2: Convert to fraction form
    7,918.69/11,876.15 = 2,370.55/x
  3. Step 3: Cross multiply
    7,918.69x = 11,876.15 × 2,370.55
  4. Step 4: Simplify right side
    7,918.69x = 28,152,977.69
  5. Step 5: Solve for x
    x = 28,152,977.69/7,918.69
  6. Step 6: Final answer
    x = 3,555.26

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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.