Home / 8,617.88-11,892.36-5,266.31

Finding the Fourth Proportional to 8,617.88, 11,892.36 and 5,266.31

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Solution

The fourth proportional to 8,617.88, 11,892.36 and 5,266.31 is: 7,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.88 : 11,892.36 = 5,266.31 : x
  2. Step 2: Convert to fraction form
    8,617.88/11,892.36 = 5,266.31/x
  3. Step 3: Cross multiply
    8,617.88x = 11,892.36 × 5,266.31
  4. Step 4: Simplify right side
    8,617.88x = 62,628,794.93
  5. Step 5: Solve for x
    x = 62,628,794.93/8,617.88
  6. Step 6: Final answer
    x = 7,267.31

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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.