Home / 12,386.43-18,580.26-4,063.08

Finding the Fourth Proportional to 12,386.43, 18,580.26 and 4,063.08

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Solution

The fourth proportional to 12,386.43, 18,580.26 and 4,063.08 is: 6,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.43 : 18,580.26 = 4,063.08 : x
  2. Step 2: Convert to fraction form
    12,386.43/18,580.26 = 4,063.08/x
  3. Step 3: Cross multiply
    12,386.43x = 18,580.26 × 4,063.08
  4. Step 4: Simplify right side
    12,386.43x = 75,493,082.80
  5. Step 5: Solve for x
    x = 75,493,082.80/12,386.43
  6. Step 6: Final answer
    x = 6,094.82

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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.