Home / 10,431.21-15,625.97-6,268.97

Finding the Fourth Proportional to 10,431.21, 15,625.97 and 6,268.97

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Solution

The fourth proportional to 10,431.21, 15,625.97 and 6,268.97 is: 9,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.21 : 15,625.97 = 6,268.97 : x
  2. Step 2: Convert to fraction form
    10,431.21/15,625.97 = 6,268.97/x
  3. Step 3: Cross multiply
    10,431.21x = 15,625.97 × 6,268.97
  4. Step 4: Simplify right side
    10,431.21x = 97,958,674.69
  5. Step 5: Solve for x
    x = 97,958,674.69/10,431.21
  6. Step 6: Final answer
    x = 9,390.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.