Home / 12,042.86-18,064.42-4,246.20

Finding the Fourth Proportional to 12,042.86, 18,064.42 and 4,246.20

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Solution

The fourth proportional to 12,042.86, 18,064.42 and 4,246.20 is: 6,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.86 : 18,064.42 = 4,246.20 : x
  2. Step 2: Convert to fraction form
    12,042.86/18,064.42 = 4,246.20/x
  3. Step 3: Cross multiply
    12,042.86x = 18,064.42 × 4,246.20
  4. Step 4: Simplify right side
    12,042.86x = 76,705,129.59
  5. Step 5: Solve for x
    x = 76,705,129.59/12,042.86
  6. Step 6: Final answer
    x = 6,369.35

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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.