Home / 11,503.54-17,243.68-4,479.18

Finding the Fourth Proportional to 11,503.54, 17,243.68 and 4,479.18

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Solution

The fourth proportional to 11,503.54, 17,243.68 and 4,479.18 is: 6,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.54 : 17,243.68 = 4,479.18 : x
  2. Step 2: Convert to fraction form
    11,503.54/17,243.68 = 4,479.18/x
  3. Step 3: Cross multiply
    11,503.54x = 17,243.68 × 4,479.18
  4. Step 4: Simplify right side
    11,503.54x = 77,237,546.58
  5. Step 5: Solve for x
    x = 77,237,546.58/11,503.54
  6. Step 6: Final answer
    x = 6,714.24

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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.