Home / 8,684.92-11,972.59-5,695.57

Finding the Fourth Proportional to 8,684.92, 11,972.59 and 5,695.57

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Solution

The fourth proportional to 8,684.92, 11,972.59 and 5,695.57 is: 7,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.92 : 11,972.59 = 5,695.57 : x
  2. Step 2: Convert to fraction form
    8,684.92/11,972.59 = 5,695.57/x
  3. Step 3: Cross multiply
    8,684.92x = 11,972.59 × 5,695.57
  4. Step 4: Simplify right side
    8,684.92x = 68,190,724.43
  5. Step 5: Solve for x
    x = 68,190,724.43/8,684.92
  6. Step 6: Final answer
    x = 7,851.62

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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.