Home / 12,296.88-18,445.19-4,505.63

Finding the Fourth Proportional to 12,296.88, 18,445.19 and 4,505.63

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Solution

The fourth proportional to 12,296.88, 18,445.19 and 4,505.63 is: 6,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.88 : 18,445.19 = 4,505.63 : x
  2. Step 2: Convert to fraction form
    12,296.88/18,445.19 = 4,505.63/x
  3. Step 3: Cross multiply
    12,296.88x = 18,445.19 × 4,505.63
  4. Step 4: Simplify right side
    12,296.88x = 83,107,086.67
  5. Step 5: Solve for x
    x = 83,107,086.67/12,296.88
  6. Step 6: Final answer
    x = 6,758.39

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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.