Home / 6,249.24-8,606.28-5,191.68

Finding the Fourth Proportional to 6,249.24, 8,606.28 and 5,191.68

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Solution

The fourth proportional to 6,249.24, 8,606.28 and 5,191.68 is: 7,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.24 : 8,606.28 = 5,191.68 : x
  2. Step 2: Convert to fraction form
    6,249.24/8,606.28 = 5,191.68/x
  3. Step 3: Cross multiply
    6,249.24x = 8,606.28 × 5,191.68
  4. Step 4: Simplify right side
    6,249.24x = 44,681,051.75
  5. Step 5: Solve for x
    x = 44,681,051.75/6,249.24
  6. Step 6: Final answer
    x = 7,149.84

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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.