Home / 12,192.06-16,825.36-7,478.94

Finding the Fourth Proportional to 12,192.06, 16,825.36 and 7,478.94

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Solution

The fourth proportional to 12,192.06, 16,825.36 and 7,478.94 is: 10,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.06 : 16,825.36 = 7,478.94 : x
  2. Step 2: Convert to fraction form
    12,192.06/16,825.36 = 7,478.94/x
  3. Step 3: Cross multiply
    12,192.06x = 16,825.36 × 7,478.94
  4. Step 4: Simplify right side
    12,192.06x = 125,835,857.92
  5. Step 5: Solve for x
    x = 125,835,857.92/12,192.06
  6. Step 6: Final answer
    x = 10,321.13

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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.