Home / 12,197.30-18,296.01-3,432.29

Finding the Fourth Proportional to 12,197.30, 18,296.01 and 3,432.29

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Solution

The fourth proportional to 12,197.30, 18,296.01 and 3,432.29 is: 5,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.30 : 18,296.01 = 3,432.29 : x
  2. Step 2: Convert to fraction form
    12,197.30/18,296.01 = 3,432.29/x
  3. Step 3: Cross multiply
    12,197.30x = 18,296.01 × 3,432.29
  4. Step 4: Simplify right side
    12,197.30x = 62,797,120.68
  5. Step 5: Solve for x
    x = 62,797,120.68/12,197.30
  6. Step 6: Final answer
    x = 5,148.45

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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.