Home / 8,500.64-11,731.67-5,144.28

Finding the Fourth Proportional to 8,500.64, 11,731.67 and 5,144.28

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Solution

The fourth proportional to 8,500.64, 11,731.67 and 5,144.28 is: 7,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.64 : 11,731.67 = 5,144.28 : x
  2. Step 2: Convert to fraction form
    8,500.64/11,731.67 = 5,144.28/x
  3. Step 3: Cross multiply
    8,500.64x = 11,731.67 × 5,144.28
  4. Step 4: Simplify right side
    8,500.64x = 60,350,944.92
  5. Step 5: Solve for x
    x = 60,350,944.92/8,500.64
  6. Step 6: Final answer
    x = 7,099.58

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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.