Home / 6,497.21-9,679.35-6,183.74

Finding the Fourth Proportional to 6,497.21, 9,679.35 and 6,183.74

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Solution

The fourth proportional to 6,497.21, 9,679.35 and 6,183.74 is: 9,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497.21 : 9,679.35 = 6,183.74 : x
  2. Step 2: Convert to fraction form
    6,497.21/9,679.35 = 6,183.74/x
  3. Step 3: Cross multiply
    6,497.21x = 9,679.35 × 6,183.74
  4. Step 4: Simplify right side
    6,497.21x = 59,854,583.77
  5. Step 5: Solve for x
    x = 59,854,583.77/6,497.21
  6. Step 6: Final answer
    x = 9,212.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.