Home / 29,296.35-43,931.57-8,521.47

Finding the Fourth Proportional to 29,296.35, 43,931.57 and 8,521.47

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Solution

The fourth proportional to 29,296.35, 43,931.57 and 8,521.47 is: 12,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.35 : 43,931.57 = 8,521.47 : x
  2. Step 2: Convert to fraction form
    29,296.35/43,931.57 = 8,521.47/x
  3. Step 3: Cross multiply
    29,296.35x = 43,931.57 × 8,521.47
  4. Step 4: Simplify right side
    29,296.35x = 374,361,513.20
  5. Step 5: Solve for x
    x = 374,361,513.20/29,296.35
  6. Step 6: Final answer
    x = 12,778.44

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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.