Home / 8,426.82-11,629.53-4,700.82

Finding the Fourth Proportional to 8,426.82, 11,629.53 and 4,700.82

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Solution

The fourth proportional to 8,426.82, 11,629.53 and 4,700.82 is: 6,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.82 : 11,629.53 = 4,700.82 : x
  2. Step 2: Convert to fraction form
    8,426.82/11,629.53 = 4,700.82/x
  3. Step 3: Cross multiply
    8,426.82x = 11,629.53 × 4,700.82
  4. Step 4: Simplify right side
    8,426.82x = 54,668,327.21
  5. Step 5: Solve for x
    x = 54,668,327.21/8,426.82
  6. Step 6: Final answer
    x = 6,487.42

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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.