Home / 11,479.24-17,220.38-5,636.04

Finding the Fourth Proportional to 11,479.24, 17,220.38 and 5,636.04

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Solution

The fourth proportional to 11,479.24, 17,220.38 and 5,636.04 is: 8,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.24 : 17,220.38 = 5,636.04 : x
  2. Step 2: Convert to fraction form
    11,479.24/17,220.38 = 5,636.04/x
  3. Step 3: Cross multiply
    11,479.24x = 17,220.38 × 5,636.04
  4. Step 4: Simplify right side
    11,479.24x = 97,054,750.50
  5. Step 5: Solve for x
    x = 97,054,750.50/11,479.24
  6. Step 6: Final answer
    x = 8,454.81

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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.