Home / 8,974.27-12,384.01-4,940.31

Finding the Fourth Proportional to 8,974.27, 12,384.01 and 4,940.31

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Solution

The fourth proportional to 8,974.27, 12,384.01 and 4,940.31 is: 6,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.27 : 12,384.01 = 4,940.31 : x
  2. Step 2: Convert to fraction form
    8,974.27/12,384.01 = 4,940.31/x
  3. Step 3: Cross multiply
    8,974.27x = 12,384.01 × 4,940.31
  4. Step 4: Simplify right side
    8,974.27x = 61,180,823.74
  5. Step 5: Solve for x
    x = 61,180,823.74/8,974.27
  6. Step 6: Final answer
    x = 6,817.36

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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.