Home / 12,283.06-16,950.09-6,979.18

Finding the Fourth Proportional to 12,283.06, 16,950.09 and 6,979.18

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Solution

The fourth proportional to 12,283.06, 16,950.09 and 6,979.18 is: 9,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.06 : 16,950.09 = 6,979.18 : x
  2. Step 2: Convert to fraction form
    12,283.06/16,950.09 = 6,979.18/x
  3. Step 3: Cross multiply
    12,283.06x = 16,950.09 × 6,979.18
  4. Step 4: Simplify right side
    12,283.06x = 118,297,729.13
  5. Step 5: Solve for x
    x = 118,297,729.13/12,283.06
  6. Step 6: Final answer
    x = 9,630.97

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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.