Home / 11,144.46-15,379.02-6,108.57

Finding the Fourth Proportional to 11,144.46, 15,379.02 and 6,108.57

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Solution

The fourth proportional to 11,144.46, 15,379.02 and 6,108.57 is: 8,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.46 : 15,379.02 = 6,108.57 : x
  2. Step 2: Convert to fraction form
    11,144.46/15,379.02 = 6,108.57/x
  3. Step 3: Cross multiply
    11,144.46x = 15,379.02 × 6,108.57
  4. Step 4: Simplify right side
    11,144.46x = 93,943,820.20
  5. Step 5: Solve for x
    x = 93,943,820.20/11,144.46
  6. Step 6: Final answer
    x = 8,429.64

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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.