Home / 11,122.34-16,684.55-4,102.07

Finding the Fourth Proportional to 11,122.34, 16,684.55 and 4,102.07

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Solution

The fourth proportional to 11,122.34, 16,684.55 and 4,102.07 is: 6,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.34 : 16,684.55 = 4,102.07 : x
  2. Step 2: Convert to fraction form
    11,122.34/16,684.55 = 4,102.07/x
  3. Step 3: Cross multiply
    11,122.34x = 16,684.55 × 4,102.07
  4. Step 4: Simplify right side
    11,122.34x = 68,441,192.02
  5. Step 5: Solve for x
    x = 68,441,192.02/11,122.34
  6. Step 6: Final answer
    x = 6,153.49

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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.