Home / 11,455.10-17,182.65-3,664.70

Finding the Fourth Proportional to 11,455.10, 17,182.65 and 3,664.70

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Solution

The fourth proportional to 11,455.10, 17,182.65 and 3,664.70 is: 5,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.10 : 17,182.65 = 3,664.70 : x
  2. Step 2: Convert to fraction form
    11,455.10/17,182.65 = 3,664.70/x
  3. Step 3: Cross multiply
    11,455.10x = 17,182.65 × 3,664.70
  4. Step 4: Simplify right side
    11,455.10x = 62,969,257.46
  5. Step 5: Solve for x
    x = 62,969,257.46/11,455.10
  6. Step 6: Final answer
    x = 5,497.05

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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.