Home / 12,106.84-16,701.51-7,382.92

Finding the Fourth Proportional to 12,106.84, 16,701.51 and 7,382.92

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Solution

The fourth proportional to 12,106.84, 16,701.51 and 7,382.92 is: 10,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.84 : 16,701.51 = 7,382.92 : x
  2. Step 2: Convert to fraction form
    12,106.84/16,701.51 = 7,382.92/x
  3. Step 3: Cross multiply
    12,106.84x = 16,701.51 × 7,382.92
  4. Step 4: Simplify right side
    12,106.84x = 123,305,912.21
  5. Step 5: Solve for x
    x = 123,305,912.21/12,106.84
  6. Step 6: Final answer
    x = 10,184.81

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Half scale
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Double scale
Find fourth proportional to 12,107.84, 16,702.89 and 7,383.92
Similar ratio
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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.