Home / 7,762.20-11,636.76-3,376.35

Finding the Fourth Proportional to 7,762.20, 11,636.76 and 3,376.35

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Solution

The fourth proportional to 7,762.20, 11,636.76 and 3,376.35 is: 5,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.20 : 11,636.76 = 3,376.35 : x
  2. Step 2: Convert to fraction form
    7,762.20/11,636.76 = 3,376.35/x
  3. Step 3: Cross multiply
    7,762.20x = 11,636.76 × 3,376.35
  4. Step 4: Simplify right side
    7,762.20x = 39,289,787.29
  5. Step 5: Solve for x
    x = 39,289,787.29/7,762.20
  6. Step 6: Final answer
    x = 5,061.68

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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.