Home / 6,462.16-8,911.24-5,131.60

Finding the Fourth Proportional to 6,462.16, 8,911.24 and 5,131.60

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Solution

The fourth proportional to 6,462.16, 8,911.24 and 5,131.60 is: 7,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.16 : 8,911.24 = 5,131.60 : x
  2. Step 2: Convert to fraction form
    6,462.16/8,911.24 = 5,131.60/x
  3. Step 3: Cross multiply
    6,462.16x = 8,911.24 × 5,131.60
  4. Step 4: Simplify right side
    6,462.16x = 45,728,919.18
  5. Step 5: Solve for x
    x = 45,728,919.18/6,462.16
  6. Step 6: Final answer
    x = 7,076.41

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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.