Home / 12,370.22-18,565.36-6,129.98

Finding the Fourth Proportional to 12,370.22, 18,565.36 and 6,129.98

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Solution

The fourth proportional to 12,370.22, 18,565.36 and 6,129.98 is: 9,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.22 : 18,565.36 = 6,129.98 : x
  2. Step 2: Convert to fraction form
    12,370.22/18,565.36 = 6,129.98/x
  3. Step 3: Cross multiply
    12,370.22x = 18,565.36 × 6,129.98
  4. Step 4: Simplify right side
    12,370.22x = 113,805,285.49
  5. Step 5: Solve for x
    x = 113,805,285.49/12,370.22
  6. Step 6: Final answer
    x = 9,199.94

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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.