Home / 11,176.36-16,764.55-2,856.40

Finding the Fourth Proportional to 11,176.36, 16,764.55 and 2,856.40

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Solution

The fourth proportional to 11,176.36, 16,764.55 and 2,856.40 is: 4,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.36 : 16,764.55 = 2,856.40 : x
  2. Step 2: Convert to fraction form
    11,176.36/16,764.55 = 2,856.40/x
  3. Step 3: Cross multiply
    11,176.36x = 16,764.55 × 2,856.40
  4. Step 4: Simplify right side
    11,176.36x = 47,886,211.57
  5. Step 5: Solve for x
    x = 47,886,211.57/11,176.36
  6. Step 6: Final answer
    x = 4,284.60

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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.