Home / 11,904.28-17,858.91-4,508.57

Finding the Fourth Proportional to 11,904.28, 17,858.91 and 4,508.57

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Solution

The fourth proportional to 11,904.28, 17,858.91 and 4,508.57 is: 6,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.28 : 17,858.91 = 4,508.57 : x
  2. Step 2: Convert to fraction form
    11,904.28/17,858.91 = 4,508.57/x
  3. Step 3: Cross multiply
    11,904.28x = 17,858.91 × 4,508.57
  4. Step 4: Simplify right side
    11,904.28x = 80,518,145.86
  5. Step 5: Solve for x
    x = 80,518,145.86/11,904.28
  6. Step 6: Final answer
    x = 6,763.80

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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.