Home / 8,118.13-11,202.91-4,533.15

Finding the Fourth Proportional to 8,118.13, 11,202.91 and 4,533.15

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Solution

The fourth proportional to 8,118.13, 11,202.91 and 4,533.15 is: 6,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.13 : 11,202.91 = 4,533.15 : x
  2. Step 2: Convert to fraction form
    8,118.13/11,202.91 = 4,533.15/x
  3. Step 3: Cross multiply
    8,118.13x = 11,202.91 × 4,533.15
  4. Step 4: Simplify right side
    8,118.13x = 50,784,447.63
  5. Step 5: Solve for x
    x = 50,784,447.63/8,118.13
  6. Step 6: Final answer
    x = 6,255.68

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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.