Home / 12,403.22-18,597.80-4,080.99

Finding the Fourth Proportional to 12,403.22, 18,597.80 and 4,080.99

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Solution

The fourth proportional to 12,403.22, 18,597.80 and 4,080.99 is: 6,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.22 : 18,597.80 = 4,080.99 : x
  2. Step 2: Convert to fraction form
    12,403.22/18,597.80 = 4,080.99/x
  3. Step 3: Cross multiply
    12,403.22x = 18,597.80 × 4,080.99
  4. Step 4: Simplify right side
    12,403.22x = 75,897,415.42
  5. Step 5: Solve for x
    x = 75,897,415.42/12,403.22
  6. Step 6: Final answer
    x = 6,119.17

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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.