Home / 11,718.56-16,170.48-6,682.52

Finding the Fourth Proportional to 11,718.56, 16,170.48 and 6,682.52

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Solution

The fourth proportional to 11,718.56, 16,170.48 and 6,682.52 is: 9,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.56 : 16,170.48 = 6,682.52 : x
  2. Step 2: Convert to fraction form
    11,718.56/16,170.48 = 6,682.52/x
  3. Step 3: Cross multiply
    11,718.56x = 16,170.48 × 6,682.52
  4. Step 4: Simplify right side
    11,718.56x = 108,059,475.16
  5. Step 5: Solve for x
    x = 108,059,475.16/11,718.56
  6. Step 6: Final answer
    x = 9,221.23

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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.