Home / 11,273.38-15,557.20-6,305.38

Finding the Fourth Proportional to 11,273.38, 15,557.20 and 6,305.38

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Solution

The fourth proportional to 11,273.38, 15,557.20 and 6,305.38 is: 8,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.38 : 15,557.20 = 6,305.38 : x
  2. Step 2: Convert to fraction form
    11,273.38/15,557.20 = 6,305.38/x
  3. Step 3: Cross multiply
    11,273.38x = 15,557.20 × 6,305.38
  4. Step 4: Simplify right side
    11,273.38x = 98,094,003.08
  5. Step 5: Solve for x
    x = 98,094,003.08/11,273.38
  6. Step 6: Final answer
    x = 8,701.39

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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.