Home / 11,050.20-15,238.80-8,528.27

Finding the Fourth Proportional to 11,050.20, 15,238.80 and 8,528.27

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Solution

The fourth proportional to 11,050.20, 15,238.80 and 8,528.27 is: 11,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.20 : 15,238.80 = 8,528.27 : x
  2. Step 2: Convert to fraction form
    11,050.20/15,238.80 = 8,528.27/x
  3. Step 3: Cross multiply
    11,050.20x = 15,238.80 × 8,528.27
  4. Step 4: Simplify right side
    11,050.20x = 129,960,524.68
  5. Step 5: Solve for x
    x = 129,960,524.68/11,050.20
  6. Step 6: Final answer
    x = 11,760.92

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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.