Home / 9,736.94-13,431.12-6,145.58

Finding the Fourth Proportional to 9,736.94, 13,431.12 and 6,145.58

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Solution

The fourth proportional to 9,736.94, 13,431.12 and 6,145.58 is: 8,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,736.94 : 13,431.12 = 6,145.58 : x
  2. Step 2: Convert to fraction form
    9,736.94/13,431.12 = 6,145.58/x
  3. Step 3: Cross multiply
    9,736.94x = 13,431.12 × 6,145.58
  4. Step 4: Simplify right side
    9,736.94x = 82,542,022.45
  5. Step 5: Solve for x
    x = 82,542,022.45/9,736.94
  6. Step 6: Final answer
    x = 8,477.20

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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.