Home / 11,176.40-16,764.57-2,856.42

Finding the Fourth Proportional to 11,176.40, 16,764.57 and 2,856.42

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Solution

The fourth proportional to 11,176.40, 16,764.57 and 2,856.42 is: 4,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.40 : 16,764.57 = 2,856.42 : x
  2. Step 2: Convert to fraction form
    11,176.40/16,764.57 = 2,856.42/x
  3. Step 3: Cross multiply
    11,176.40x = 16,764.57 × 2,856.42
  4. Step 4: Simplify right side
    11,176.40x = 47,886,653.04
  5. Step 5: Solve for x
    x = 47,886,653.04/11,176.40
  6. Step 6: Final answer
    x = 4,284.62

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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.