Home / 12,361.52-17,056.49-9,999.56

Finding the Fourth Proportional to 12,361.52, 17,056.49 and 9,999.56

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Solution

The fourth proportional to 12,361.52, 17,056.49 and 9,999.56 is: 13,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.52 : 17,056.49 = 9,999.56 : x
  2. Step 2: Convert to fraction form
    12,361.52/17,056.49 = 9,999.56/x
  3. Step 3: Cross multiply
    12,361.52x = 17,056.49 × 9,999.56
  4. Step 4: Simplify right side
    12,361.52x = 170,557,259.86
  5. Step 5: Solve for x
    x = 170,557,259.86/12,361.52
  6. Step 6: Final answer
    x = 13,797.44

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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.