Home / 12,177.36-18,265.35-3,292.56

Finding the Fourth Proportional to 12,177.36, 18,265.35 and 3,292.56

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Solution

The fourth proportional to 12,177.36, 18,265.35 and 3,292.56 is: 4,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.36 : 18,265.35 = 3,292.56 : x
  2. Step 2: Convert to fraction form
    12,177.36/18,265.35 = 3,292.56/x
  3. Step 3: Cross multiply
    12,177.36x = 18,265.35 × 3,292.56
  4. Step 4: Simplify right side
    12,177.36x = 60,139,841.64
  5. Step 5: Solve for x
    x = 60,139,841.64/12,177.36
  6. Step 6: Final answer
    x = 4,938.66

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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.