Home / 9,701.19-13,396.39-6,122.49

Finding the Fourth Proportional to 9,701.19, 13,396.39 and 6,122.49

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Solution

The fourth proportional to 9,701.19, 13,396.39 and 6,122.49 is: 8,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.19 : 13,396.39 = 6,122.49 : x
  2. Step 2: Convert to fraction form
    9,701.19/13,396.39 = 6,122.49/x
  3. Step 3: Cross multiply
    9,701.19x = 13,396.39 × 6,122.49
  4. Step 4: Simplify right side
    9,701.19x = 82,019,198.27
  5. Step 5: Solve for x
    x = 82,019,198.27/9,701.19
  6. Step 6: Final answer
    x = 8,454.55

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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.