Home / 12,974.23-17,885.77-9,241.75

Finding the Fourth Proportional to 12,974.23, 17,885.77 and 9,241.75

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Solution

The fourth proportional to 12,974.23, 17,885.77 and 9,241.75 is: 12,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.23 : 17,885.77 = 9,241.75 : x
  2. Step 2: Convert to fraction form
    12,974.23/17,885.77 = 9,241.75/x
  3. Step 3: Cross multiply
    12,974.23x = 17,885.77 × 9,241.75
  4. Step 4: Simplify right side
    12,974.23x = 165,295,814.90
  5. Step 5: Solve for x
    x = 165,295,814.90/12,974.23
  6. Step 6: Final answer
    x = 12,740.32

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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.