Home / 8,847.54-12,205.01-7,170.84

Finding the Fourth Proportional to 8,847.54, 12,205.01 and 7,170.84

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Solution

The fourth proportional to 8,847.54, 12,205.01 and 7,170.84 is: 9,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.54 : 12,205.01 = 7,170.84 : x
  2. Step 2: Convert to fraction form
    8,847.54/12,205.01 = 7,170.84/x
  3. Step 3: Cross multiply
    8,847.54x = 12,205.01 × 7,170.84
  4. Step 4: Simplify right side
    8,847.54x = 87,520,191.84
  5. Step 5: Solve for x
    x = 87,520,191.84/8,847.54
  6. Step 6: Final answer
    x = 9,892.04

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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.