Home / 12,207.52-16,846.41-7,491.70

Finding the Fourth Proportional to 12,207.52, 16,846.41 and 7,491.70

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Solution

The fourth proportional to 12,207.52, 16,846.41 and 7,491.70 is: 10,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.52 : 16,846.41 = 7,491.70 : x
  2. Step 2: Convert to fraction form
    12,207.52/16,846.41 = 7,491.70/x
  3. Step 3: Cross multiply
    12,207.52x = 16,846.41 × 7,491.70
  4. Step 4: Simplify right side
    12,207.52x = 126,208,249.80
  5. Step 5: Solve for x
    x = 126,208,249.80/12,207.52
  6. Step 6: Final answer
    x = 10,338.57

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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.