Home / 8,507.12-11,740.07-5,150.54

Finding the Fourth Proportional to 8,507.12, 11,740.07 and 5,150.54

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Solution

The fourth proportional to 8,507.12, 11,740.07 and 5,150.54 is: 7,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.12 : 11,740.07 = 5,150.54 : x
  2. Step 2: Convert to fraction form
    8,507.12/11,740.07 = 5,150.54/x
  3. Step 3: Cross multiply
    8,507.12x = 11,740.07 × 5,150.54
  4. Step 4: Simplify right side
    8,507.12x = 60,467,742.36
  5. Step 5: Solve for x
    x = 60,467,742.36/8,507.12
  6. Step 6: Final answer
    x = 7,107.90

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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.