Home / 11,086.81-15,299.99-6,306.64

Finding the Fourth Proportional to 11,086.81, 15,299.99 and 6,306.64

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Solution

The fourth proportional to 11,086.81, 15,299.99 and 6,306.64 is: 8,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.81 : 15,299.99 = 6,306.64 : x
  2. Step 2: Convert to fraction form
    11,086.81/15,299.99 = 6,306.64/x
  3. Step 3: Cross multiply
    11,086.81x = 15,299.99 × 6,306.64
  4. Step 4: Simplify right side
    11,086.81x = 96,491,528.93
  5. Step 5: Solve for x
    x = 96,491,528.93/11,086.81
  6. Step 6: Final answer
    x = 8,703.27

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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.