Home / 8,107.98-11,188.60-4,571.17

Finding the Fourth Proportional to 8,107.98, 11,188.60 and 4,571.17

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Solution

The fourth proportional to 8,107.98, 11,188.60 and 4,571.17 is: 6,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.98 : 11,188.60 = 4,571.17 : x
  2. Step 2: Convert to fraction form
    8,107.98/11,188.60 = 4,571.17/x
  3. Step 3: Cross multiply
    8,107.98x = 11,188.60 × 4,571.17
  4. Step 4: Simplify right side
    8,107.98x = 51,144,992.66
  5. Step 5: Solve for x
    x = 51,144,992.66/8,107.98
  6. Step 6: Final answer
    x = 6,307.98

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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.