Home / 7,217.72-9,960.57-4,233.63

Finding the Fourth Proportional to 7,217.72, 9,960.57 and 4,233.63

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Solution

The fourth proportional to 7,217.72, 9,960.57 and 4,233.63 is: 5,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.72 : 9,960.57 = 4,233.63 : x
  2. Step 2: Convert to fraction form
    7,217.72/9,960.57 = 4,233.63/x
  3. Step 3: Cross multiply
    7,217.72x = 9,960.57 × 4,233.63
  4. Step 4: Simplify right side
    7,217.72x = 42,169,367.97
  5. Step 5: Solve for x
    x = 42,169,367.97/7,217.72
  6. Step 6: Final answer
    x = 5,842.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.