Home / 10,791.47-16,177.61-4,216.16

Finding the Fourth Proportional to 10,791.47, 16,177.61 and 4,216.16

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Solution

The fourth proportional to 10,791.47, 16,177.61 and 4,216.16 is: 6,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.47 : 16,177.61 = 4,216.16 : x
  2. Step 2: Convert to fraction form
    10,791.47/16,177.61 = 4,216.16/x
  3. Step 3: Cross multiply
    10,791.47x = 16,177.61 × 4,216.16
  4. Step 4: Simplify right side
    10,791.47x = 68,207,290.21
  5. Step 5: Solve for x
    x = 68,207,290.21/10,791.47
  6. Step 6: Final answer
    x = 6,320.48

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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.