Home / 11,555.82-17,335.86-3,660.32

Finding the Fourth Proportional to 11,555.82, 17,335.86 and 3,660.32

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Solution

The fourth proportional to 11,555.82, 17,335.86 and 3,660.32 is: 5,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.82 : 17,335.86 = 3,660.32 : x
  2. Step 2: Convert to fraction form
    11,555.82/17,335.86 = 3,660.32/x
  3. Step 3: Cross multiply
    11,555.82x = 17,335.86 × 3,660.32
  4. Step 4: Simplify right side
    11,555.82x = 63,454,795.08
  5. Step 5: Solve for x
    x = 63,454,795.08/11,555.82
  6. Step 6: Final answer
    x = 5,491.15

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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.