Home / 11,682.56-17,513.40-4,285.28

Finding the Fourth Proportional to 11,682.56, 17,513.40 and 4,285.28

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Solution

The fourth proportional to 11,682.56, 17,513.40 and 4,285.28 is: 6,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.56 : 17,513.40 = 4,285.28 : x
  2. Step 2: Convert to fraction form
    11,682.56/17,513.40 = 4,285.28/x
  3. Step 3: Cross multiply
    11,682.56x = 17,513.40 × 4,285.28
  4. Step 4: Simplify right side
    11,682.56x = 75,049,822.75
  5. Step 5: Solve for x
    x = 75,049,822.75/11,682.56
  6. Step 6: Final answer
    x = 6,424.09

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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.