Home / 7,186.24-9,916.99-4,042.43

Finding the Fourth Proportional to 7,186.24, 9,916.99 and 4,042.43

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Solution

The fourth proportional to 7,186.24, 9,916.99 and 4,042.43 is: 5,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.24 : 9,916.99 = 4,042.43 : x
  2. Step 2: Convert to fraction form
    7,186.24/9,916.99 = 4,042.43/x
  3. Step 3: Cross multiply
    7,186.24x = 9,916.99 × 4,042.43
  4. Step 4: Simplify right side
    7,186.24x = 40,088,700.93
  5. Step 5: Solve for x
    x = 40,088,700.93/7,186.24
  6. Step 6: Final answer
    x = 5,578.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.