Home / 7,682.52-11,531.79-6,810.60

Finding the Fourth Proportional to 7,682.52, 11,531.79 and 6,810.60

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Solution

The fourth proportional to 7,682.52, 11,531.79 and 6,810.60 is: 10,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.52 : 11,531.79 = 6,810.60 : x
  2. Step 2: Convert to fraction form
    7,682.52/11,531.79 = 6,810.60/x
  3. Step 3: Cross multiply
    7,682.52x = 11,531.79 × 6,810.60
  4. Step 4: Simplify right side
    7,682.52x = 78,538,408.97
  5. Step 5: Solve for x
    x = 78,538,408.97/7,682.52
  6. Step 6: Final answer
    x = 10,223.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.