Home / 7,216.41-9,960.20-4,694.14

Finding the Fourth Proportional to 7,216.41, 9,960.20 and 4,694.14

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Solution

The fourth proportional to 7,216.41, 9,960.20 and 4,694.14 is: 6,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.41 : 9,960.20 = 4,694.14 : x
  2. Step 2: Convert to fraction form
    7,216.41/9,960.20 = 4,694.14/x
  3. Step 3: Cross multiply
    7,216.41x = 9,960.20 × 4,694.14
  4. Step 4: Simplify right side
    7,216.41x = 46,754,573.23
  5. Step 5: Solve for x
    x = 46,754,573.23/7,216.41
  6. Step 6: Final answer
    x = 6,478.92

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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.