Home / 12,206.49-16,846.20-7,426.77

Finding the Fourth Proportional to 12,206.49, 16,846.20 and 7,426.77

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Solution

The fourth proportional to 12,206.49, 16,846.20 and 7,426.77 is: 10,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.49 : 16,846.20 = 7,426.77 : x
  2. Step 2: Convert to fraction form
    12,206.49/16,846.20 = 7,426.77/x
  3. Step 3: Cross multiply
    12,206.49x = 16,846.20 × 7,426.77
  4. Step 4: Simplify right side
    12,206.49x = 125,112,789.60
  5. Step 5: Solve for x
    x = 125,112,789.60/12,206.49
  6. Step 6: Final answer
    x = 10,249.70

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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.