Home / 10,791.63-16,185.02-4,213.62

Finding the Fourth Proportional to 10,791.63, 16,185.02 and 4,213.62

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Solution

The fourth proportional to 10,791.63, 16,185.02 and 4,213.62 is: 6,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.63 : 16,185.02 = 4,213.62 : x
  2. Step 2: Convert to fraction form
    10,791.63/16,185.02 = 4,213.62/x
  3. Step 3: Cross multiply
    10,791.63x = 16,185.02 × 4,213.62
  4. Step 4: Simplify right side
    10,791.63x = 68,197,502.90
  5. Step 5: Solve for x
    x = 68,197,502.90/10,791.63
  6. Step 6: Final answer
    x = 6,319.48

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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.