Home / 10,791.52-16,176.96-4,215.52

Finding the Fourth Proportional to 10,791.52, 16,176.96 and 4,215.52

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Solution

The fourth proportional to 10,791.52, 16,176.96 and 4,215.52 is: 6,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.52 : 16,176.96 = 4,215.52 : x
  2. Step 2: Convert to fraction form
    10,791.52/16,176.96 = 4,215.52/x
  3. Step 3: Cross multiply
    10,791.52x = 16,176.96 × 4,215.52
  4. Step 4: Simplify right side
    10,791.52x = 68,194,298.42
  5. Step 5: Solve for x
    x = 68,194,298.42/10,791.52
  6. Step 6: Final answer
    x = 6,319.25

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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.