Home / 7,916.45-11,874.68-2,722.32

Finding the Fourth Proportional to 7,916.45, 11,874.68 and 2,722.32

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Solution

The fourth proportional to 7,916.45, 11,874.68 and 2,722.32 is: 4,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.45 : 11,874.68 = 2,722.32 : x
  2. Step 2: Convert to fraction form
    7,916.45/11,874.68 = 2,722.32/x
  3. Step 3: Cross multiply
    7,916.45x = 11,874.68 × 2,722.32
  4. Step 4: Simplify right side
    7,916.45x = 32,326,665.25
  5. Step 5: Solve for x
    x = 32,326,665.25/7,916.45
  6. Step 6: Final answer
    x = 4,083.48

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1.5x scale

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.