Home / 11,778.24-16,253.58-6,742.95

Finding the Fourth Proportional to 11,778.24, 16,253.58 and 6,742.95

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Solution

The fourth proportional to 11,778.24, 16,253.58 and 6,742.95 is: 9,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.24 : 16,253.58 = 6,742.95 : x
  2. Step 2: Convert to fraction form
    11,778.24/16,253.58 = 6,742.95/x
  3. Step 3: Cross multiply
    11,778.24x = 16,253.58 × 6,742.95
  4. Step 4: Simplify right side
    11,778.24x = 109,597,077.26
  5. Step 5: Solve for x
    x = 109,597,077.26/11,778.24
  6. Step 6: Final answer
    x = 9,305.05

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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.