Home / 11,108.53-15,329.77-6,072.77

Finding the Fourth Proportional to 11,108.53, 15,329.77 and 6,072.77

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Solution

The fourth proportional to 11,108.53, 15,329.77 and 6,072.77 is: 8,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.53 : 15,329.77 = 6,072.77 : x
  2. Step 2: Convert to fraction form
    11,108.53/15,329.77 = 6,072.77/x
  3. Step 3: Cross multiply
    11,108.53x = 15,329.77 × 6,072.77
  4. Step 4: Simplify right side
    11,108.53x = 93,094,213.28
  5. Step 5: Solve for x
    x = 93,094,213.28/11,108.53
  6. Step 6: Final answer
    x = 8,380.43

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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.