Home / 12,348.21-17,040.47-6,682.95

Finding the Fourth Proportional to 12,348.21, 17,040.47 and 6,682.95

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Solution

The fourth proportional to 12,348.21, 17,040.47 and 6,682.95 is: 9,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.21 : 17,040.47 = 6,682.95 : x
  2. Step 2: Convert to fraction form
    12,348.21/17,040.47 = 6,682.95/x
  3. Step 3: Cross multiply
    12,348.21x = 17,040.47 × 6,682.95
  4. Step 4: Simplify right side
    12,348.21x = 113,880,575.57
  5. Step 5: Solve for x
    x = 113,880,575.57/12,348.21
  6. Step 6: Final answer
    x = 9,222.44

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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.