Home / 11,518.53-17,272.05-4,494.34

Finding the Fourth Proportional to 11,518.53, 17,272.05 and 4,494.34

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Solution

The fourth proportional to 11,518.53, 17,272.05 and 4,494.34 is: 6,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.53 : 17,272.05 = 4,494.34 : x
  2. Step 2: Convert to fraction form
    11,518.53/17,272.05 = 4,494.34/x
  3. Step 3: Cross multiply
    11,518.53x = 17,272.05 × 4,494.34
  4. Step 4: Simplify right side
    11,518.53x = 77,626,465.20
  5. Step 5: Solve for x
    x = 77,626,465.20/11,518.53
  6. Step 6: Final answer
    x = 6,739.27

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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.