Home / 9,761.32-14,640.45-3,186.06

Finding the Fourth Proportional to 9,761.32, 14,640.45 and 3,186.06

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Solution

The fourth proportional to 9,761.32, 14,640.45 and 3,186.06 is: 4,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.32 : 14,640.45 = 3,186.06 : x
  2. Step 2: Convert to fraction form
    9,761.32/14,640.45 = 3,186.06/x
  3. Step 3: Cross multiply
    9,761.32x = 14,640.45 × 3,186.06
  4. Step 4: Simplify right side
    9,761.32x = 46,645,352.13
  5. Step 5: Solve for x
    x = 46,645,352.13/9,761.32
  6. Step 6: Final answer
    x = 4,778.59

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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.