Home / 11,575.89-17,360.21-4,179.38

Finding the Fourth Proportional to 11,575.89, 17,360.21 and 4,179.38

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Solution

The fourth proportional to 11,575.89, 17,360.21 and 4,179.38 is: 6,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.89 : 17,360.21 = 4,179.38 : x
  2. Step 2: Convert to fraction form
    11,575.89/17,360.21 = 4,179.38/x
  3. Step 3: Cross multiply
    11,575.89x = 17,360.21 × 4,179.38
  4. Step 4: Simplify right side
    11,575.89x = 72,554,838.12
  5. Step 5: Solve for x
    x = 72,554,838.12/11,575.89
  6. Step 6: Final answer
    x = 6,267.75

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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.