Home / 11,660.56-17,493.28-6,455.52

Finding the Fourth Proportional to 11,660.56, 17,493.28 and 6,455.52

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Solution

The fourth proportional to 11,660.56, 17,493.28 and 6,455.52 is: 9,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.56 : 17,493.28 = 6,455.52 : x
  2. Step 2: Convert to fraction form
    11,660.56/17,493.28 = 6,455.52/x
  3. Step 3: Cross multiply
    11,660.56x = 17,493.28 × 6,455.52
  4. Step 4: Simplify right side
    11,660.56x = 112,928,218.91
  5. Step 5: Solve for x
    x = 112,928,218.91/11,660.56
  6. Step 6: Final answer
    x = 9,684.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.