Home / 9,316.55-13,974.82-2,391.05

Finding the Fourth Proportional to 9,316.55, 13,974.82 and 2,391.05

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Solution

The fourth proportional to 9,316.55, 13,974.82 and 2,391.05 is: 3,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.55 : 13,974.82 = 2,391.05 : x
  2. Step 2: Convert to fraction form
    9,316.55/13,974.82 = 2,391.05/x
  3. Step 3: Cross multiply
    9,316.55x = 13,974.82 × 2,391.05
  4. Step 4: Simplify right side
    9,316.55x = 33,414,493.36
  5. Step 5: Solve for x
    x = 33,414,493.36/9,316.55
  6. Step 6: Final answer
    x = 3,586.57

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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.