Home / 12,036.86-18,057.72-4,251.14

Finding the Fourth Proportional to 12,036.86, 18,057.72 and 4,251.14

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Solution

The fourth proportional to 12,036.86, 18,057.72 and 4,251.14 is: 6,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.86 : 18,057.72 = 4,251.14 : x
  2. Step 2: Convert to fraction form
    12,036.86/18,057.72 = 4,251.14/x
  3. Step 3: Cross multiply
    12,036.86x = 18,057.72 × 4,251.14
  4. Step 4: Simplify right side
    12,036.86x = 76,765,895.80
  5. Step 5: Solve for x
    x = 76,765,895.80/12,036.86
  6. Step 6: Final answer
    x = 6,377.57

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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.