Home / 11,790.85-16,272.76-6,756.70

Finding the Fourth Proportional to 11,790.85, 16,272.76 and 6,756.70

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Solution

The fourth proportional to 11,790.85, 16,272.76 and 6,756.70 is: 9,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.85 : 16,272.76 = 6,756.70 : x
  2. Step 2: Convert to fraction form
    11,790.85/16,272.76 = 6,756.70/x
  3. Step 3: Cross multiply
    11,790.85x = 16,272.76 × 6,756.70
  4. Step 4: Simplify right side
    11,790.85x = 109,950,157.49
  5. Step 5: Solve for x
    x = 109,950,157.49/11,790.85
  6. Step 6: Final answer
    x = 9,325.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.