Home / 8,684.26-11,984.20-4,705.14

Finding the Fourth Proportional to 8,684.26, 11,984.20 and 4,705.14

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Solution

The fourth proportional to 8,684.26, 11,984.20 and 4,705.14 is: 6,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.26 : 11,984.20 = 4,705.14 : x
  2. Step 2: Convert to fraction form
    8,684.26/11,984.20 = 4,705.14/x
  3. Step 3: Cross multiply
    8,684.26x = 11,984.20 × 4,705.14
  4. Step 4: Simplify right side
    8,684.26x = 56,387,338.79
  5. Step 5: Solve for x
    x = 56,387,338.79/8,684.26
  6. Step 6: Final answer
    x = 6,493.05

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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.