Home / 10,083.20-13,913.56-5,606.38

Finding the Fourth Proportional to 10,083.20, 13,913.56 and 5,606.38

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Solution

The fourth proportional to 10,083.20, 13,913.56 and 5,606.38 is: 7,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.20 : 13,913.56 = 5,606.38 : x
  2. Step 2: Convert to fraction form
    10,083.20/13,913.56 = 5,606.38/x
  3. Step 3: Cross multiply
    10,083.20x = 13,913.56 × 5,606.38
  4. Step 4: Simplify right side
    10,083.20x = 78,004,676.48
  5. Step 5: Solve for x
    x = 78,004,676.48/10,083.20
  6. Step 6: Final answer
    x = 7,736.10

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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.