Home / 11,962.89-17,933.40-10,125.81

Finding the Fourth Proportional to 11,962.89, 17,933.40 and 10,125.81

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Solution

The fourth proportional to 11,962.89, 17,933.40 and 10,125.81 is: 15,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.89 : 17,933.40 = 10,125.81 : x
  2. Step 2: Convert to fraction form
    11,962.89/17,933.40 = 10,125.81/x
  3. Step 3: Cross multiply
    11,962.89x = 17,933.40 × 10,125.81
  4. Step 4: Simplify right side
    11,962.89x = 181,590,201.05
  5. Step 5: Solve for x
    x = 181,590,201.05/11,962.89
  6. Step 6: Final answer
    x = 15,179.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.