Home / 7,766.86-11,650.96-2,502.40

Finding the Fourth Proportional to 7,766.86, 11,650.96 and 2,502.40

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Solution

The fourth proportional to 7,766.86, 11,650.96 and 2,502.40 is: 3,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.86 : 11,650.96 = 2,502.40 : x
  2. Step 2: Convert to fraction form
    7,766.86/11,650.96 = 2,502.40/x
  3. Step 3: Cross multiply
    7,766.86x = 11,650.96 × 2,502.40
  4. Step 4: Simplify right side
    7,766.86x = 29,155,362.30
  5. Step 5: Solve for x
    x = 29,155,362.30/7,766.86
  6. Step 6: Final answer
    x = 3,753.82

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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.