Home / 7,916.16-11,874.86-2,651.19

Finding the Fourth Proportional to 7,916.16, 11,874.86 and 2,651.19

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Solution

The fourth proportional to 7,916.16, 11,874.86 and 2,651.19 is: 3,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.16 : 11,874.86 = 2,651.19 : x
  2. Step 2: Convert to fraction form
    7,916.16/11,874.86 = 2,651.19/x
  3. Step 3: Cross multiply
    7,916.16x = 11,874.86 × 2,651.19
  4. Step 4: Simplify right side
    7,916.16x = 31,482,496.83
  5. Step 5: Solve for x
    x = 31,482,496.83/7,916.16
  6. Step 6: Final answer
    x = 3,976.99

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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.