Home / 8,186.01-12,278.30-3,504.57

Finding the Fourth Proportional to 8,186.01, 12,278.30 and 3,504.57

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Solution

The fourth proportional to 8,186.01, 12,278.30 and 3,504.57 is: 5,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.01 : 12,278.30 = 3,504.57 : x
  2. Step 2: Convert to fraction form
    8,186.01/12,278.30 = 3,504.57/x
  3. Step 3: Cross multiply
    8,186.01x = 12,278.30 × 3,504.57
  4. Step 4: Simplify right side
    8,186.01x = 43,030,144.31
  5. Step 5: Solve for x
    x = 43,030,144.31/8,186.01
  6. Step 6: Final answer
    x = 5,256.55

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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.