Home / 11,423.76-17,131.08-4,399.86

Finding the Fourth Proportional to 11,423.76, 17,131.08 and 4,399.86

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Solution

The fourth proportional to 11,423.76, 17,131.08 and 4,399.86 is: 6,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.76 : 17,131.08 = 4,399.86 : x
  2. Step 2: Convert to fraction form
    11,423.76/17,131.08 = 4,399.86/x
  3. Step 3: Cross multiply
    11,423.76x = 17,131.08 × 4,399.86
  4. Step 4: Simplify right side
    11,423.76x = 75,374,353.65
  5. Step 5: Solve for x
    x = 75,374,353.65/11,423.76
  6. Step 6: Final answer
    x = 6,598.03

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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.