Home / 8,476.31-12,705.51-4,084.49

Finding the Fourth Proportional to 8,476.31, 12,705.51 and 4,084.49

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Solution

The fourth proportional to 8,476.31, 12,705.51 and 4,084.49 is: 6,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.31 : 12,705.51 = 4,084.49 : x
  2. Step 2: Convert to fraction form
    8,476.31/12,705.51 = 4,084.49/x
  3. Step 3: Cross multiply
    8,476.31x = 12,705.51 × 4,084.49
  4. Step 4: Simplify right side
    8,476.31x = 51,895,528.54
  5. Step 5: Solve for x
    x = 51,895,528.54/8,476.31
  6. Step 6: Final answer
    x = 6,122.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.