Home / 12,092.08-18,139.60-4,301.68

Finding the Fourth Proportional to 12,092.08, 18,139.60 and 4,301.68

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Solution

The fourth proportional to 12,092.08, 18,139.60 and 4,301.68 is: 6,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.08 : 18,139.60 = 4,301.68 : x
  2. Step 2: Convert to fraction form
    12,092.08/18,139.60 = 4,301.68/x
  3. Step 3: Cross multiply
    12,092.08x = 18,139.60 × 4,301.68
  4. Step 4: Simplify right side
    12,092.08x = 78,030,754.53
  5. Step 5: Solve for x
    x = 78,030,754.53/12,092.08
  6. Step 6: Final answer
    x = 6,453.05

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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.