Home / 12,418.52-18,622.31-6,573.76

Finding the Fourth Proportional to 12,418.52, 18,622.31 and 6,573.76

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Solution

The fourth proportional to 12,418.52, 18,622.31 and 6,573.76 is: 9,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.52 : 18,622.31 = 6,573.76 : x
  2. Step 2: Convert to fraction form
    12,418.52/18,622.31 = 6,573.76/x
  3. Step 3: Cross multiply
    12,418.52x = 18,622.31 × 6,573.76
  4. Step 4: Simplify right side
    12,418.52x = 122,418,517.16
  5. Step 5: Solve for x
    x = 122,418,517.16/12,418.52
  6. Step 6: Final answer
    x = 9,857.74

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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.