Home / 7,776.52-11,668.22-4,077.86

Finding the Fourth Proportional to 7,776.52, 11,668.22 and 4,077.86

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Solution

The fourth proportional to 7,776.52, 11,668.22 and 4,077.86 is: 6,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.52 : 11,668.22 = 4,077.86 : x
  2. Step 2: Convert to fraction form
    7,776.52/11,668.22 = 4,077.86/x
  3. Step 3: Cross multiply
    7,776.52x = 11,668.22 × 4,077.86
  4. Step 4: Simplify right side
    7,776.52x = 47,581,367.61
  5. Step 5: Solve for x
    x = 47,581,367.61/7,776.52
  6. Step 6: Final answer
    x = 6,118.59

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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.