Home / 7,741.56-11,653.68-6,669.84

Finding the Fourth Proportional to 7,741.56, 11,653.68 and 6,669.84

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Solution

The fourth proportional to 7,741.56, 11,653.68 and 6,669.84 is: 10,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.56 : 11,653.68 = 6,669.84 : x
  2. Step 2: Convert to fraction form
    7,741.56/11,653.68 = 6,669.84/x
  3. Step 3: Cross multiply
    7,741.56x = 11,653.68 × 6,669.84
  4. Step 4: Simplify right side
    7,741.56x = 77,728,181.01
  5. Step 5: Solve for x
    x = 77,728,181.01/7,741.56
  6. Step 6: Final answer
    x = 10,040.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.