Home / 11,115.04-16,672.60-2,907.04

Finding the Fourth Proportional to 11,115.04, 16,672.60 and 2,907.04

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Solution

The fourth proportional to 11,115.04, 16,672.60 and 2,907.04 is: 4,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.04 : 16,672.60 = 2,907.04 : x
  2. Step 2: Convert to fraction form
    11,115.04/16,672.60 = 2,907.04/x
  3. Step 3: Cross multiply
    11,115.04x = 16,672.60 × 2,907.04
  4. Step 4: Simplify right side
    11,115.04x = 48,467,915.10
  5. Step 5: Solve for x
    x = 48,467,915.10/11,115.04
  6. Step 6: Final answer
    x = 4,360.57

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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.