Home / 8,116.88-11,201.56-4,972.46

Finding the Fourth Proportional to 8,116.88, 11,201.56 and 4,972.46

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Solution

The fourth proportional to 8,116.88, 11,201.56 and 4,972.46 is: 6,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.88 : 11,201.56 = 4,972.46 : x
  2. Step 2: Convert to fraction form
    8,116.88/11,201.56 = 4,972.46/x
  3. Step 3: Cross multiply
    8,116.88x = 11,201.56 × 4,972.46
  4. Step 4: Simplify right side
    8,116.88x = 55,699,240.60
  5. Step 5: Solve for x
    x = 55,699,240.60/8,116.88
  6. Step 6: Final answer
    x = 6,862.15

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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.