Home / 11,904.91-17,856.65-3,584.72

Finding the Fourth Proportional to 11,904.91, 17,856.65 and 3,584.72

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Solution

The fourth proportional to 11,904.91, 17,856.65 and 3,584.72 is: 5,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.91 : 17,856.65 = 3,584.72 : x
  2. Step 2: Convert to fraction form
    11,904.91/17,856.65 = 3,584.72/x
  3. Step 3: Cross multiply
    11,904.91x = 17,856.65 × 3,584.72
  4. Step 4: Simplify right side
    11,904.91x = 64,011,143.99
  5. Step 5: Solve for x
    x = 64,011,143.99/11,904.91
  6. Step 6: Final answer
    x = 5,376.87

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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.