Home / 8,336.72-11,502.60-5,191.28

Finding the Fourth Proportional to 8,336.72, 11,502.60 and 5,191.28

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Solution

The fourth proportional to 8,336.72, 11,502.60 and 5,191.28 is: 7,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.72 : 11,502.60 = 5,191.28 : x
  2. Step 2: Convert to fraction form
    8,336.72/11,502.60 = 5,191.28/x
  3. Step 3: Cross multiply
    8,336.72x = 11,502.60 × 5,191.28
  4. Step 4: Simplify right side
    8,336.72x = 59,713,217.33
  5. Step 5: Solve for x
    x = 59,713,217.33/8,336.72
  6. Step 6: Final answer
    x = 7,162.68

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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.