Home / 11,453.32-17,178.90-3,660.04

Finding the Fourth Proportional to 11,453.32, 17,178.90 and 3,660.04

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Solution

The fourth proportional to 11,453.32, 17,178.90 and 3,660.04 is: 5,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.32 : 17,178.90 = 3,660.04 : x
  2. Step 2: Convert to fraction form
    11,453.32/17,178.90 = 3,660.04/x
  3. Step 3: Cross multiply
    11,453.32x = 17,178.90 × 3,660.04
  4. Step 4: Simplify right side
    11,453.32x = 62,875,461.16
  5. Step 5: Solve for x
    x = 62,875,461.16/11,453.32
  6. Step 6: Final answer
    x = 5,489.71

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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.