Home / 7,131.86-9,832.38-5,004.56

Finding the Fourth Proportional to 7,131.86, 9,832.38 and 5,004.56

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Solution

The fourth proportional to 7,131.86, 9,832.38 and 5,004.56 is: 6,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.86 : 9,832.38 = 5,004.56 : x
  2. Step 2: Convert to fraction form
    7,131.86/9,832.38 = 5,004.56/x
  3. Step 3: Cross multiply
    7,131.86x = 9,832.38 × 5,004.56
  4. Step 4: Simplify right side
    7,131.86x = 49,206,735.65
  5. Step 5: Solve for x
    x = 49,206,735.65/7,131.86
  6. Step 6: Final answer
    x = 6,899.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.