Home / 10,766.48-16,149.76-2,975.92

Finding the Fourth Proportional to 10,766.48, 16,149.76 and 2,975.92

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Solution

The fourth proportional to 10,766.48, 16,149.76 and 2,975.92 is: 4,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.48 : 16,149.76 = 2,975.92 : x
  2. Step 2: Convert to fraction form
    10,766.48/16,149.76 = 2,975.92/x
  3. Step 3: Cross multiply
    10,766.48x = 16,149.76 × 2,975.92
  4. Step 4: Simplify right side
    10,766.48x = 48,060,393.78
  5. Step 5: Solve for x
    x = 48,060,393.78/10,766.48
  6. Step 6: Final answer
    x = 4,463.89

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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.