Home / 12,418.00-18,627.64-4,098.66

Finding the Fourth Proportional to 12,418.00, 18,627.64 and 4,098.66

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Solution

The fourth proportional to 12,418.00, 18,627.64 and 4,098.66 is: 6,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.00 : 18,627.64 = 4,098.66 : x
  2. Step 2: Convert to fraction form
    12,418.00/18,627.64 = 4,098.66/x
  3. Step 3: Cross multiply
    12,418.00x = 18,627.64 × 4,098.66
  4. Step 4: Simplify right side
    12,418.00x = 76,348,352.72
  5. Step 5: Solve for x
    x = 76,348,352.72/12,418.00
  6. Step 6: Final answer
    x = 6,148.20

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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.