Home / 8,790.28-13,185.48-3,596.15

Finding the Fourth Proportional to 8,790.28, 13,185.48 and 3,596.15

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Solution

The fourth proportional to 8,790.28, 13,185.48 and 3,596.15 is: 5,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.28 : 13,185.48 = 3,596.15 : x
  2. Step 2: Convert to fraction form
    8,790.28/13,185.48 = 3,596.15/x
  3. Step 3: Cross multiply
    8,790.28x = 13,185.48 × 3,596.15
  4. Step 4: Simplify right side
    8,790.28x = 47,416,996.87
  5. Step 5: Solve for x
    x = 47,416,996.87/8,790.28
  6. Step 6: Final answer
    x = 5,394.25

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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.