Home / 11,479.23-17,221.56-4,084.32

Finding the Fourth Proportional to 11,479.23, 17,221.56 and 4,084.32

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Solution

The fourth proportional to 11,479.23, 17,221.56 and 4,084.32 is: 6,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.23 : 17,221.56 = 4,084.32 : x
  2. Step 2: Convert to fraction form
    11,479.23/17,221.56 = 4,084.32/x
  3. Step 3: Cross multiply
    11,479.23x = 17,221.56 × 4,084.32
  4. Step 4: Simplify right side
    11,479.23x = 70,338,361.94
  5. Step 5: Solve for x
    x = 70,338,361.94/11,479.23
  6. Step 6: Final answer
    x = 6,127.45

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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.