Home / 10,236.16-15,353.75-3,997.31

Finding the Fourth Proportional to 10,236.16, 15,353.75 and 3,997.31

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Solution

The fourth proportional to 10,236.16, 15,353.75 and 3,997.31 is: 5,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.16 : 15,353.75 = 3,997.31 : x
  2. Step 2: Convert to fraction form
    10,236.16/15,353.75 = 3,997.31/x
  3. Step 3: Cross multiply
    10,236.16x = 15,353.75 × 3,997.31
  4. Step 4: Simplify right side
    10,236.16x = 61,373,621.64
  5. Step 5: Solve for x
    x = 61,373,621.64/10,236.16
  6. Step 6: Final answer
    x = 5,995.77

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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.