Home / 11,977.76-16,527.12-6,672.44

Finding the Fourth Proportional to 11,977.76, 16,527.12 and 6,672.44

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Solution

The fourth proportional to 11,977.76, 16,527.12 and 6,672.44 is: 9,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.76 : 16,527.12 = 6,672.44 : x
  2. Step 2: Convert to fraction form
    11,977.76/16,527.12 = 6,672.44/x
  3. Step 3: Cross multiply
    11,977.76x = 16,527.12 × 6,672.44
  4. Step 4: Simplify right side
    11,977.76x = 110,276,216.57
  5. Step 5: Solve for x
    x = 110,276,216.57/11,977.76
  6. Step 6: Final answer
    x = 9,206.75

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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.