Home / 7,762.23-11,636.81-3,376.39

Finding the Fourth Proportional to 7,762.23, 11,636.81 and 3,376.39

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Solution

The fourth proportional to 7,762.23, 11,636.81 and 3,376.39 is: 5,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.23 : 11,636.81 = 3,376.39 : x
  2. Step 2: Convert to fraction form
    7,762.23/11,636.81 = 3,376.39/x
  3. Step 3: Cross multiply
    7,762.23x = 11,636.81 × 3,376.39
  4. Step 4: Simplify right side
    7,762.23x = 39,290,408.92
  5. Step 5: Solve for x
    x = 39,290,408.92/7,762.23
  6. Step 6: Final answer
    x = 5,061.74

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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.