Home / 10,608.49-14,638.09-6,131.38

Finding the Fourth Proportional to 10,608.49, 14,638.09 and 6,131.38

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Solution

The fourth proportional to 10,608.49, 14,638.09 and 6,131.38 is: 8,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.49 : 14,638.09 = 6,131.38 : x
  2. Step 2: Convert to fraction form
    10,608.49/14,638.09 = 6,131.38/x
  3. Step 3: Cross multiply
    10,608.49x = 14,638.09 × 6,131.38
  4. Step 4: Simplify right side
    10,608.49x = 89,751,651.84
  5. Step 5: Solve for x
    x = 89,751,651.84/10,608.49
  6. Step 6: Final answer
    x = 8,460.36

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1.5x scale

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.