Home / 12,106.04-16,706.39-6,800.90

Finding the Fourth Proportional to 12,106.04, 16,706.39 and 6,800.90

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Solution

The fourth proportional to 12,106.04, 16,706.39 and 6,800.90 is: 9,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.04 : 16,706.39 = 6,800.90 : x
  2. Step 2: Convert to fraction form
    12,106.04/16,706.39 = 6,800.90/x
  3. Step 3: Cross multiply
    12,106.04x = 16,706.39 × 6,800.90
  4. Step 4: Simplify right side
    12,106.04x = 113,618,370.21
  5. Step 5: Solve for x
    x = 113,618,370.21/12,106.04
  6. Step 6: Final answer
    x = 9,385.27

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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.