Home / 11,639.97-17,460.36-4,621.32

Finding the Fourth Proportional to 11,639.97, 17,460.36 and 4,621.32

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Solution

The fourth proportional to 11,639.97, 17,460.36 and 4,621.32 is: 6,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.97 : 17,460.36 = 4,621.32 : x
  2. Step 2: Convert to fraction form
    11,639.97/17,460.36 = 4,621.32/x
  3. Step 3: Cross multiply
    11,639.97x = 17,460.36 × 4,621.32
  4. Step 4: Simplify right side
    11,639.97x = 80,689,910.88
  5. Step 5: Solve for x
    x = 80,689,910.88/11,639.97
  6. Step 6: Final answer
    x = 6,932.14

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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.