Home / 8,113.05-11,196.09-4,757.85

Finding the Fourth Proportional to 8,113.05, 11,196.09 and 4,757.85

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Solution

The fourth proportional to 8,113.05, 11,196.09 and 4,757.85 is: 6,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.05 : 11,196.09 = 4,757.85 : x
  2. Step 2: Convert to fraction form
    8,113.05/11,196.09 = 4,757.85/x
  3. Step 3: Cross multiply
    8,113.05x = 11,196.09 × 4,757.85
  4. Step 4: Simplify right side
    8,113.05x = 53,269,316.81
  5. Step 5: Solve for x
    x = 53,269,316.81/8,113.05
  6. Step 6: Final answer
    x = 6,565.88

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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.