Home / 11,029.32-16,527.78-8,694.90

Finding the Fourth Proportional to 11,029.32, 16,527.78 and 8,694.90

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Solution

The fourth proportional to 11,029.32, 16,527.78 and 8,694.90 is: 13,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.32 : 16,527.78 = 8,694.90 : x
  2. Step 2: Convert to fraction form
    11,029.32/16,527.78 = 8,694.90/x
  3. Step 3: Cross multiply
    11,029.32x = 16,527.78 × 8,694.90
  4. Step 4: Simplify right side
    11,029.32x = 143,707,394.32
  5. Step 5: Solve for x
    x = 143,707,394.32/11,029.32
  6. Step 6: Final answer
    x = 13,029.58

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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.