Home / 7,249.47-10,001.86-5,010.54

Finding the Fourth Proportional to 7,249.47, 10,001.86 and 5,010.54

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Solution

The fourth proportional to 7,249.47, 10,001.86 and 5,010.54 is: 6,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.47 : 10,001.86 = 5,010.54 : x
  2. Step 2: Convert to fraction form
    7,249.47/10,001.86 = 5,010.54/x
  3. Step 3: Cross multiply
    7,249.47x = 10,001.86 × 5,010.54
  4. Step 4: Simplify right side
    7,249.47x = 50,114,719.60
  5. Step 5: Solve for x
    x = 50,114,719.60/7,249.47
  6. Step 6: Final answer
    x = 6,912.88

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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.