Home / 7,217.49-9,960.12-4,073.66

Finding the Fourth Proportional to 7,217.49, 9,960.12 and 4,073.66

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Solution

The fourth proportional to 7,217.49, 9,960.12 and 4,073.66 is: 5,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.49 : 9,960.12 = 4,073.66 : x
  2. Step 2: Convert to fraction form
    7,217.49/9,960.12 = 4,073.66/x
  3. Step 3: Cross multiply
    7,217.49x = 9,960.12 × 4,073.66
  4. Step 4: Simplify right side
    7,217.49x = 40,574,142.44
  5. Step 5: Solve for x
    x = 40,574,142.44/7,217.49
  6. Step 6: Final answer
    x = 5,621.64

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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.