Home / 11,144.66-15,379.54-6,108.82

Finding the Fourth Proportional to 11,144.66, 15,379.54 and 6,108.82

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Solution

The fourth proportional to 11,144.66, 15,379.54 and 6,108.82 is: 8,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.66 : 15,379.54 = 6,108.82 : x
  2. Step 2: Convert to fraction form
    11,144.66/15,379.54 = 6,108.82/x
  3. Step 3: Cross multiply
    11,144.66x = 15,379.54 × 6,108.82
  4. Step 4: Simplify right side
    11,144.66x = 93,950,787.82
  5. Step 5: Solve for x
    x = 93,950,787.82/11,144.66
  6. Step 6: Final answer
    x = 8,430.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.