Home / 11,479.44-17,219.70-3,587.34

Finding the Fourth Proportional to 11,479.44, 17,219.70 and 3,587.34

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Solution

The fourth proportional to 11,479.44, 17,219.70 and 3,587.34 is: 5,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.44 : 17,219.70 = 3,587.34 : x
  2. Step 2: Convert to fraction form
    11,479.44/17,219.70 = 3,587.34/x
  3. Step 3: Cross multiply
    11,479.44x = 17,219.70 × 3,587.34
  4. Step 4: Simplify right side
    11,479.44x = 61,772,918.60
  5. Step 5: Solve for x
    x = 61,772,918.60/11,479.44
  6. Step 6: Final answer
    x = 5,381.18

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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.