Home / 10,085.35-13,916.71-5,608.38

Finding the Fourth Proportional to 10,085.35, 13,916.71 and 5,608.38

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Solution

The fourth proportional to 10,085.35, 13,916.71 and 5,608.38 is: 7,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.35 : 13,916.71 = 5,608.38 : x
  2. Step 2: Convert to fraction form
    10,085.35/13,916.71 = 5,608.38/x
  3. Step 3: Cross multiply
    10,085.35x = 13,916.71 × 5,608.38
  4. Step 4: Simplify right side
    10,085.35x = 78,050,198.03
  5. Step 5: Solve for x
    x = 78,050,198.03/10,085.35
  6. Step 6: Final answer
    x = 7,738.97

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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.