Home / 8,408.52-11,597.04-5,751.72

Finding the Fourth Proportional to 8,408.52, 11,597.04 and 5,751.72

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Solution

The fourth proportional to 8,408.52, 11,597.04 and 5,751.72 is: 7,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.52 : 11,597.04 = 5,751.72 : x
  2. Step 2: Convert to fraction form
    8,408.52/11,597.04 = 5,751.72/x
  3. Step 3: Cross multiply
    8,408.52x = 11,597.04 × 5,751.72
  4. Step 4: Simplify right side
    8,408.52x = 66,702,926.91
  5. Step 5: Solve for x
    x = 66,702,926.91/8,408.52
  6. Step 6: Final answer
    x = 7,932.78

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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.