Home / 10,237.96-15,356.46-3,999.12

Finding the Fourth Proportional to 10,237.96, 15,356.46 and 3,999.12

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Solution

The fourth proportional to 10,237.96, 15,356.46 and 3,999.12 is: 5,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.96 : 15,356.46 = 3,999.12 : x
  2. Step 2: Convert to fraction form
    10,237.96/15,356.46 = 3,999.12/x
  3. Step 3: Cross multiply
    10,237.96x = 15,356.46 × 3,999.12
  4. Step 4: Simplify right side
    10,237.96x = 61,412,326.32
  5. Step 5: Solve for x
    x = 61,412,326.32/10,237.96
  6. Step 6: Final answer
    x = 5,998.49

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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.