Home / 7,707.18-11,555.91-4,246.86

Finding the Fourth Proportional to 7,707.18, 11,555.91 and 4,246.86

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Solution

The fourth proportional to 7,707.18, 11,555.91 and 4,246.86 is: 6,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.18 : 11,555.91 = 4,246.86 : x
  2. Step 2: Convert to fraction form
    7,707.18/11,555.91 = 4,246.86/x
  3. Step 3: Cross multiply
    7,707.18x = 11,555.91 × 4,246.86
  4. Step 4: Simplify right side
    7,707.18x = 49,076,331.94
  5. Step 5: Solve for x
    x = 49,076,331.94/7,707.18
  6. Step 6: Final answer
    x = 6,367.61

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1.5x scale

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.