Home / 8,149.55-11,246.33-4,423.55

Finding the Fourth Proportional to 8,149.55, 11,246.33 and 4,423.55

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Solution

The fourth proportional to 8,149.55, 11,246.33 and 4,423.55 is: 6,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.55 : 11,246.33 = 4,423.55 : x
  2. Step 2: Convert to fraction form
    8,149.55/11,246.33 = 4,423.55/x
  3. Step 3: Cross multiply
    8,149.55x = 11,246.33 × 4,423.55
  4. Step 4: Simplify right side
    8,149.55x = 49,748,624.72
  5. Step 5: Solve for x
    x = 49,748,624.72/8,149.55
  6. Step 6: Final answer
    x = 6,104.47

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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.