Home / 12,248.14-16,896.42-7,997.20

Finding the Fourth Proportional to 12,248.14, 16,896.42 and 7,997.20

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Solution

The fourth proportional to 12,248.14, 16,896.42 and 7,997.20 is: 11,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.14 : 16,896.42 = 7,997.20 : x
  2. Step 2: Convert to fraction form
    12,248.14/16,896.42 = 7,997.20/x
  3. Step 3: Cross multiply
    12,248.14x = 16,896.42 × 7,997.20
  4. Step 4: Simplify right side
    12,248.14x = 135,124,050.02
  5. Step 5: Solve for x
    x = 135,124,050.02/12,248.14
  6. Step 6: Final answer
    x = 11,032.21

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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.