Home / 12,276.41-16,941.45-6,687.41

Finding the Fourth Proportional to 12,276.41, 16,941.45 and 6,687.41

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Solution

The fourth proportional to 12,276.41, 16,941.45 and 6,687.41 is: 9,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.41 : 16,941.45 = 6,687.41 : x
  2. Step 2: Convert to fraction form
    12,276.41/16,941.45 = 6,687.41/x
  3. Step 3: Cross multiply
    12,276.41x = 16,941.45 × 6,687.41
  4. Step 4: Simplify right side
    12,276.41x = 113,294,422.14
  5. Step 5: Solve for x
    x = 113,294,422.14/12,276.41
  6. Step 6: Final answer
    x = 9,228.63

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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.