Home / 8,680.05-11,976.48-4,903.02

Finding the Fourth Proportional to 8,680.05, 11,976.48 and 4,903.02

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Solution

The fourth proportional to 8,680.05, 11,976.48 and 4,903.02 is: 6,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.05 : 11,976.48 = 4,903.02 : x
  2. Step 2: Convert to fraction form
    8,680.05/11,976.48 = 4,903.02/x
  3. Step 3: Cross multiply
    8,680.05x = 11,976.48 × 4,903.02
  4. Step 4: Simplify right side
    8,680.05x = 58,720,920.97
  5. Step 5: Solve for x
    x = 58,720,920.97/8,680.05
  6. Step 6: Final answer
    x = 6,765.04

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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.