Home / 12,192.16-16,825.33-7,156.48

Finding the Fourth Proportional to 12,192.16, 16,825.33 and 7,156.48

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Solution

The fourth proportional to 12,192.16, 16,825.33 and 7,156.48 is: 9,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.16 : 16,825.33 = 7,156.48 : x
  2. Step 2: Convert to fraction form
    12,192.16/16,825.33 = 7,156.48/x
  3. Step 3: Cross multiply
    12,192.16x = 16,825.33 × 7,156.48
  4. Step 4: Simplify right side
    12,192.16x = 120,410,137.64
  5. Step 5: Solve for x
    x = 120,410,137.64/12,192.16
  6. Step 6: Final answer
    x = 9,876.03

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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.