Home / 8,965.27-12,371.97-4,986.82

Finding the Fourth Proportional to 8,965.27, 12,371.97 and 4,986.82

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Solution

The fourth proportional to 8,965.27, 12,371.97 and 4,986.82 is: 6,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.27 : 12,371.97 = 4,986.82 : x
  2. Step 2: Convert to fraction form
    8,965.27/12,371.97 = 4,986.82/x
  3. Step 3: Cross multiply
    8,965.27x = 12,371.97 × 4,986.82
  4. Step 4: Simplify right side
    8,965.27x = 61,696,787.44
  5. Step 5: Solve for x
    x = 61,696,787.44/8,965.27
  6. Step 6: Final answer
    x = 6,881.75

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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.