Home / 7,682.45-11,507.27-5,834.43

Finding the Fourth Proportional to 7,682.45, 11,507.27 and 5,834.43

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Solution

The fourth proportional to 7,682.45, 11,507.27 and 5,834.43 is: 8,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.45 : 11,507.27 = 5,834.43 : x
  2. Step 2: Convert to fraction form
    7,682.45/11,507.27 = 5,834.43/x
  3. Step 3: Cross multiply
    7,682.45x = 11,507.27 × 5,834.43
  4. Step 4: Simplify right side
    7,682.45x = 67,138,332.13
  5. Step 5: Solve for x
    x = 67,138,332.13/7,682.45
  6. Step 6: Final answer
    x = 8,739.19

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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.