Home / 10,790.60-16,188.22-6,112.82

Finding the Fourth Proportional to 10,790.60, 16,188.22 and 6,112.82

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Solution

The fourth proportional to 10,790.60, 16,188.22 and 6,112.82 is: 9,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.60 : 16,188.22 = 6,112.82 : x
  2. Step 2: Convert to fraction form
    10,790.60/16,188.22 = 6,112.82/x
  3. Step 3: Cross multiply
    10,790.60x = 16,188.22 × 6,112.82
  4. Step 4: Simplify right side
    10,790.60x = 98,955,674.98
  5. Step 5: Solve for x
    x = 98,955,674.98/10,790.60
  6. Step 6: Final answer
    x = 9,170.54

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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.