Home / 11,763.12-17,644.56-3,555.12

Finding the Fourth Proportional to 11,763.12, 17,644.56 and 3,555.12

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Solution

The fourth proportional to 11,763.12, 17,644.56 and 3,555.12 is: 5,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.12 : 17,644.56 = 3,555.12 : x
  2. Step 2: Convert to fraction form
    11,763.12/17,644.56 = 3,555.12/x
  3. Step 3: Cross multiply
    11,763.12x = 17,644.56 × 3,555.12
  4. Step 4: Simplify right side
    11,763.12x = 62,728,528.15
  5. Step 5: Solve for x
    x = 62,728,528.15/11,763.12
  6. Step 6: Final answer
    x = 5,332.64

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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.