Home / 8,706.32-13,051.46-3,158.33

Finding the Fourth Proportional to 8,706.32, 13,051.46 and 3,158.33

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Solution

The fourth proportional to 8,706.32, 13,051.46 and 3,158.33 is: 4,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.32 : 13,051.46 = 3,158.33 : x
  2. Step 2: Convert to fraction form
    8,706.32/13,051.46 = 3,158.33/x
  3. Step 3: Cross multiply
    8,706.32x = 13,051.46 × 3,158.33
  4. Step 4: Simplify right side
    8,706.32x = 41,220,817.66
  5. Step 5: Solve for x
    x = 41,220,817.66/8,706.32
  6. Step 6: Final answer
    x = 4,734.59

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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.