Home / 10,197.32-14,067.54-6,418.76

Finding the Fourth Proportional to 10,197.32, 14,067.54 and 6,418.76

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Solution

The fourth proportional to 10,197.32, 14,067.54 and 6,418.76 is: 8,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.32 : 14,067.54 = 6,418.76 : x
  2. Step 2: Convert to fraction form
    10,197.32/14,067.54 = 6,418.76/x
  3. Step 3: Cross multiply
    10,197.32x = 14,067.54 × 6,418.76
  4. Step 4: Simplify right side
    10,197.32x = 90,296,163.05
  5. Step 5: Solve for x
    x = 90,296,163.05/10,197.32
  6. Step 6: Final answer
    x = 8,854.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.