Home / 10,370.89-15,550.07-4,131.86

Finding the Fourth Proportional to 10,370.89, 15,550.07 and 4,131.86

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Solution

The fourth proportional to 10,370.89, 15,550.07 and 4,131.86 is: 6,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.89 : 15,550.07 = 4,131.86 : x
  2. Step 2: Convert to fraction form
    10,370.89/15,550.07 = 4,131.86/x
  3. Step 3: Cross multiply
    10,370.89x = 15,550.07 × 4,131.86
  4. Step 4: Simplify right side
    10,370.89x = 64,250,712.23
  5. Step 5: Solve for x
    x = 64,250,712.23/10,370.89
  6. Step 6: Final answer
    x = 6,195.29

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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.