Home / 8,493.49-11,720.62-4,716.90

Finding the Fourth Proportional to 8,493.49, 11,720.62 and 4,716.90

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Solution

The fourth proportional to 8,493.49, 11,720.62 and 4,716.90 is: 6,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.49 : 11,720.62 = 4,716.90 : x
  2. Step 2: Convert to fraction form
    8,493.49/11,720.62 = 4,716.90/x
  3. Step 3: Cross multiply
    8,493.49x = 11,720.62 × 4,716.90
  4. Step 4: Simplify right side
    8,493.49x = 55,284,998.37
  5. Step 5: Solve for x
    x = 55,284,998.37/8,493.49
  6. Step 6: Final answer
    x = 6,509.10

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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.