Home / 11,775.42-17,664.95-3,983.63

Finding the Fourth Proportional to 11,775.42, 17,664.95 and 3,983.63

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Solution

The fourth proportional to 11,775.42, 17,664.95 and 3,983.63 is: 5,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.42 : 17,664.95 = 3,983.63 : x
  2. Step 2: Convert to fraction form
    11,775.42/17,664.95 = 3,983.63/x
  3. Step 3: Cross multiply
    11,775.42x = 17,664.95 × 3,983.63
  4. Step 4: Simplify right side
    11,775.42x = 70,370,546.40
  5. Step 5: Solve for x
    x = 70,370,546.40/11,775.42
  6. Step 6: Final answer
    x = 5,976.05

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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.