Home / 7,776.18-11,669.19-4,081.07

Finding the Fourth Proportional to 7,776.18, 11,669.19 and 4,081.07

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Solution

The fourth proportional to 7,776.18, 11,669.19 and 4,081.07 is: 6,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.18 : 11,669.19 = 4,081.07 : x
  2. Step 2: Convert to fraction form
    7,776.18/11,669.19 = 4,081.07/x
  3. Step 3: Cross multiply
    7,776.18x = 11,669.19 × 4,081.07
  4. Step 4: Simplify right side
    7,776.18x = 47,622,722.89
  5. Step 5: Solve for x
    x = 47,622,722.89/7,776.18
  6. Step 6: Final answer
    x = 6,124.18

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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.