Home / 12,197.63-18,296.46-3,432.56

Finding the Fourth Proportional to 12,197.63, 18,296.46 and 3,432.56

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Solution

The fourth proportional to 12,197.63, 18,296.46 and 3,432.56 is: 5,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.63 : 18,296.46 = 3,432.56 : x
  2. Step 2: Convert to fraction form
    12,197.63/18,296.46 = 3,432.56/x
  3. Step 3: Cross multiply
    12,197.63x = 18,296.46 × 3,432.56
  4. Step 4: Simplify right side
    12,197.63x = 62,803,605.26
  5. Step 5: Solve for x
    x = 62,803,605.26/12,197.63
  6. Step 6: Final answer
    x = 5,148.84

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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.