Home / 8,563.41-11,817.96-5,205.68

Finding the Fourth Proportional to 8,563.41, 11,817.96 and 5,205.68

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Solution

The fourth proportional to 8,563.41, 11,817.96 and 5,205.68 is: 7,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.41 : 11,817.96 = 5,205.68 : x
  2. Step 2: Convert to fraction form
    8,563.41/11,817.96 = 5,205.68/x
  3. Step 3: Cross multiply
    8,563.41x = 11,817.96 × 5,205.68
  4. Step 4: Simplify right side
    8,563.41x = 61,520,458.92
  5. Step 5: Solve for x
    x = 61,520,458.92/8,563.41
  6. Step 6: Final answer
    x = 7,184.11

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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.