Home / 12,192.46-16,825.67-6,603.46

Finding the Fourth Proportional to 12,192.46, 16,825.67 and 6,603.46

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Solution

The fourth proportional to 12,192.46, 16,825.67 and 6,603.46 is: 9,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.46 : 16,825.67 = 6,603.46 : x
  2. Step 2: Convert to fraction form
    12,192.46/16,825.67 = 6,603.46/x
  3. Step 3: Cross multiply
    12,192.46x = 16,825.67 × 6,603.46
  4. Step 4: Simplify right side
    12,192.46x = 111,107,638.82
  5. Step 5: Solve for x
    x = 111,107,638.82/12,192.46
  6. Step 6: Final answer
    x = 9,112.82

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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.