Home / 8,106.25-12,160.14-2,262.91

Finding the Fourth Proportional to 8,106.25, 12,160.14 and 2,262.91

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Solution

The fourth proportional to 8,106.25, 12,160.14 and 2,262.91 is: 3,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.25 : 12,160.14 = 2,262.91 : x
  2. Step 2: Convert to fraction form
    8,106.25/12,160.14 = 2,262.91/x
  3. Step 3: Cross multiply
    8,106.25x = 12,160.14 × 2,262.91
  4. Step 4: Simplify right side
    8,106.25x = 27,517,302.41
  5. Step 5: Solve for x
    x = 27,517,302.41/8,106.25
  6. Step 6: Final answer
    x = 3,394.58

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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.