Home / 12,192.32-16,825.42-6,603.32

Finding the Fourth Proportional to 12,192.32, 16,825.42 and 6,603.32

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Solution

The fourth proportional to 12,192.32, 16,825.42 and 6,603.32 is: 9,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.32 : 16,825.42 = 6,603.32 : x
  2. Step 2: Convert to fraction form
    12,192.32/16,825.42 = 6,603.32/x
  3. Step 3: Cross multiply
    12,192.32x = 16,825.42 × 6,603.32
  4. Step 4: Simplify right side
    12,192.32x = 111,103,531.76
  5. Step 5: Solve for x
    x = 111,103,531.76/12,192.32
  6. Step 6: Final answer
    x = 9,112.59

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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.