Home / 12,192.20-16,814.70-7,941.66

Finding the Fourth Proportional to 12,192.20, 16,814.70 and 7,941.66

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Solution

The fourth proportional to 12,192.20, 16,814.70 and 7,941.66 is: 10,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.20 : 16,814.70 = 7,941.66 : x
  2. Step 2: Convert to fraction form
    12,192.20/16,814.70 = 7,941.66/x
  3. Step 3: Cross multiply
    12,192.20x = 16,814.70 × 7,941.66
  4. Step 4: Simplify right side
    12,192.20x = 133,536,567.35
  5. Step 5: Solve for x
    x = 133,536,567.35/12,192.20
  6. Step 6: Final answer
    x = 10,952.62

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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.