Home / 9,515.96-14,268.81-2,940.38

Finding the Fourth Proportional to 9,515.96, 14,268.81 and 2,940.38

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Solution

The fourth proportional to 9,515.96, 14,268.81 and 2,940.38 is: 4,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.96 : 14,268.81 = 2,940.38 : x
  2. Step 2: Convert to fraction form
    9,515.96/14,268.81 = 2,940.38/x
  3. Step 3: Cross multiply
    9,515.96x = 14,268.81 × 2,940.38
  4. Step 4: Simplify right side
    9,515.96x = 41,955,723.55
  5. Step 5: Solve for x
    x = 41,955,723.55/9,515.96
  6. Step 6: Final answer
    x = 4,408.98

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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.