Home / 12,192.52-16,824.09-6,814.36

Finding the Fourth Proportional to 12,192.52, 16,824.09 and 6,814.36

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Solution

The fourth proportional to 12,192.52, 16,824.09 and 6,814.36 is: 9,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.52 : 16,824.09 = 6,814.36 : x
  2. Step 2: Convert to fraction form
    12,192.52/16,824.09 = 6,814.36/x
  3. Step 3: Cross multiply
    12,192.52x = 16,824.09 × 6,814.36
  4. Step 4: Simplify right side
    12,192.52x = 114,645,405.93
  5. Step 5: Solve for x
    x = 114,645,405.93/12,192.52
  6. Step 6: Final answer
    x = 9,402.93

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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.