Home / 11,295.77-16,928.08-8,150.72

Finding the Fourth Proportional to 11,295.77, 16,928.08 and 8,150.72

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Solution

The fourth proportional to 11,295.77, 16,928.08 and 8,150.72 is: 12,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.77 : 16,928.08 = 8,150.72 : x
  2. Step 2: Convert to fraction form
    11,295.77/16,928.08 = 8,150.72/x
  3. Step 3: Cross multiply
    11,295.77x = 16,928.08 × 8,150.72
  4. Step 4: Simplify right side
    11,295.77x = 137,976,019.84
  5. Step 5: Solve for x
    x = 137,976,019.84/11,295.77
  6. Step 6: Final answer
    x = 12,214.84

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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.