Home / 11,083.12-15,273.60-7,933.84

Finding the Fourth Proportional to 11,083.12, 15,273.60 and 7,933.84

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Solution

The fourth proportional to 11,083.12, 15,273.60 and 7,933.84 is: 10,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.12 : 15,273.60 = 7,933.84 : x
  2. Step 2: Convert to fraction form
    11,083.12/15,273.60 = 7,933.84/x
  3. Step 3: Cross multiply
    11,083.12x = 15,273.60 × 7,933.84
  4. Step 4: Simplify right side
    11,083.12x = 121,178,298.62
  5. Step 5: Solve for x
    x = 121,178,298.62/11,083.12
  6. Step 6: Final answer
    x = 10,933.59

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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.