Home / 12,283.66-18,429.09-3,963.52

Finding the Fourth Proportional to 12,283.66, 18,429.09 and 3,963.52

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Solution

The fourth proportional to 12,283.66, 18,429.09 and 3,963.52 is: 5,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.66 : 18,429.09 = 3,963.52 : x
  2. Step 2: Convert to fraction form
    12,283.66/18,429.09 = 3,963.52/x
  3. Step 3: Cross multiply
    12,283.66x = 18,429.09 × 3,963.52
  4. Step 4: Simplify right side
    12,283.66x = 73,044,066.80
  5. Step 5: Solve for x
    x = 73,044,066.80/12,283.66
  6. Step 6: Final answer
    x = 5,946.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.