Home / 12,253.12-16,908.79-6,947.83

Finding the Fourth Proportional to 12,253.12, 16,908.79 and 6,947.83

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Solution

The fourth proportional to 12,253.12, 16,908.79 and 6,947.83 is: 9,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.12 : 16,908.79 = 6,947.83 : x
  2. Step 2: Convert to fraction form
    12,253.12/16,908.79 = 6,947.83/x
  3. Step 3: Cross multiply
    12,253.12x = 16,908.79 × 6,947.83
  4. Step 4: Simplify right side
    12,253.12x = 117,479,398.43
  5. Step 5: Solve for x
    x = 117,479,398.43/12,253.12
  6. Step 6: Final answer
    x = 9,587.71

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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.