Home / 12,365.66-18,551.23-6,129.07

Finding the Fourth Proportional to 12,365.66, 18,551.23 and 6,129.07

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Solution

The fourth proportional to 12,365.66, 18,551.23 and 6,129.07 is: 9,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.66 : 18,551.23 = 6,129.07 : x
  2. Step 2: Convert to fraction form
    12,365.66/18,551.23 = 6,129.07/x
  3. Step 3: Cross multiply
    12,365.66x = 18,551.23 × 6,129.07
  4. Step 4: Simplify right side
    12,365.66x = 113,701,725.56
  5. Step 5: Solve for x
    x = 113,701,725.56/12,365.66
  6. Step 6: Final answer
    x = 9,194.96

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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.