Home / 8,560.25-12,840.84-2,717.33

Finding the Fourth Proportional to 8,560.25, 12,840.84 and 2,717.33

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Solution

The fourth proportional to 8,560.25, 12,840.84 and 2,717.33 is: 4,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.25 : 12,840.84 = 2,717.33 : x
  2. Step 2: Convert to fraction form
    8,560.25/12,840.84 = 2,717.33/x
  3. Step 3: Cross multiply
    8,560.25x = 12,840.84 × 2,717.33
  4. Step 4: Simplify right side
    8,560.25x = 34,892,799.76
  5. Step 5: Solve for x
    x = 34,892,799.76/8,560.25
  6. Step 6: Final answer
    x = 4,076.14

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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.