Home / 11,213.30-16,827.57-4,639.43

Finding the Fourth Proportional to 11,213.30, 16,827.57 and 4,639.43

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Solution

The fourth proportional to 11,213.30, 16,827.57 and 4,639.43 is: 6,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.30 : 16,827.57 = 4,639.43 : x
  2. Step 2: Convert to fraction form
    11,213.30/16,827.57 = 4,639.43/x
  3. Step 3: Cross multiply
    11,213.30x = 16,827.57 × 4,639.43
  4. Step 4: Simplify right side
    11,213.30x = 78,070,248.95
  5. Step 5: Solve for x
    x = 78,070,248.95/11,213.30
  6. Step 6: Final answer
    x = 6,962.29

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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.