Home / 8,213.12-11,333.92-4,487.04

Finding the Fourth Proportional to 8,213.12, 11,333.92 and 4,487.04

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Solution

The fourth proportional to 8,213.12, 11,333.92 and 4,487.04 is: 6,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.12 : 11,333.92 = 4,487.04 : x
  2. Step 2: Convert to fraction form
    8,213.12/11,333.92 = 4,487.04/x
  3. Step 3: Cross multiply
    8,213.12x = 11,333.92 × 4,487.04
  4. Step 4: Simplify right side
    8,213.12x = 50,855,752.40
  5. Step 5: Solve for x
    x = 50,855,752.40/8,213.12
  6. Step 6: Final answer
    x = 6,192.01

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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.