Home / 10,805.34-16,208.02-3,410.38

Finding the Fourth Proportional to 10,805.34, 16,208.02 and 3,410.38

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Solution

The fourth proportional to 10,805.34, 16,208.02 and 3,410.38 is: 5,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.34 : 16,208.02 = 3,410.38 : x
  2. Step 2: Convert to fraction form
    10,805.34/16,208.02 = 3,410.38/x
  3. Step 3: Cross multiply
    10,805.34x = 16,208.02 × 3,410.38
  4. Step 4: Simplify right side
    10,805.34x = 55,275,507.25
  5. Step 5: Solve for x
    x = 55,275,507.25/10,805.34
  6. Step 6: Final answer
    x = 5,115.57

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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.