Home / 8,167.12-11,274.46-4,808.86

Finding the Fourth Proportional to 8,167.12, 11,274.46 and 4,808.86

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Solution

The fourth proportional to 8,167.12, 11,274.46 and 4,808.86 is: 6,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.12 : 11,274.46 = 4,808.86 : x
  2. Step 2: Convert to fraction form
    8,167.12/11,274.46 = 4,808.86/x
  3. Step 3: Cross multiply
    8,167.12x = 11,274.46 × 4,808.86
  4. Step 4: Simplify right side
    8,167.12x = 54,217,299.72
  5. Step 5: Solve for x
    x = 54,217,299.72/8,167.12
  6. Step 6: Final answer
    x = 6,638.48

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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.