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Finding the Fourth Proportional to 11,684, 16,119.12 and 7,707.04

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Solution

The fourth proportional to 11,684, 16,119.12 and 7,707.04 is: 10,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684 : 16,119.12 = 7,707.04 : x
  2. Step 2: Convert to fraction form
    11,684/16,119.12 = 7,707.04/x
  3. Step 3: Cross multiply
    11,684x = 16,119.12 × 7,707.04
  4. Step 4: Simplify right side
    11,684x = 124,230,702.60
  5. Step 5: Solve for x
    x = 124,230,702.60/11,684
  6. Step 6: Final answer
    x = 10,632.55

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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.