Home / 8,828.99-13,231.18-6,635.15

Finding the Fourth Proportional to 8,828.99, 13,231.18 and 6,635.15

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Solution

The fourth proportional to 8,828.99, 13,231.18 and 6,635.15 is: 9,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.99 : 13,231.18 = 6,635.15 : x
  2. Step 2: Convert to fraction form
    8,828.99/13,231.18 = 6,635.15/x
  3. Step 3: Cross multiply
    8,828.99x = 13,231.18 × 6,635.15
  4. Step 4: Simplify right side
    8,828.99x = 87,790,863.98
  5. Step 5: Solve for x
    x = 87,790,863.98/8,828.99
  6. Step 6: Final answer
    x = 9,943.48

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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.