Home / 10,436.44-15,655.57-2,645.25

Finding the Fourth Proportional to 10,436.44, 15,655.57 and 2,645.25

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Solution

The fourth proportional to 10,436.44, 15,655.57 and 2,645.25 is: 3,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.44 : 15,655.57 = 2,645.25 : x
  2. Step 2: Convert to fraction form
    10,436.44/15,655.57 = 2,645.25/x
  3. Step 3: Cross multiply
    10,436.44x = 15,655.57 × 2,645.25
  4. Step 4: Simplify right side
    10,436.44x = 41,412,889.93
  5. Step 5: Solve for x
    x = 41,412,889.93/10,436.44
  6. Step 6: Final answer
    x = 3,968.11

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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.