Home / 7,217.54-9,958.92-4,384.36

Finding the Fourth Proportional to 7,217.54, 9,958.92 and 4,384.36

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Solution

The fourth proportional to 7,217.54, 9,958.92 and 4,384.36 is: 6,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.54 : 9,958.92 = 4,384.36 : x
  2. Step 2: Convert to fraction form
    7,217.54/9,958.92 = 4,384.36/x
  3. Step 3: Cross multiply
    7,217.54x = 9,958.92 × 4,384.36
  4. Step 4: Simplify right side
    7,217.54x = 43,663,490.49
  5. Step 5: Solve for x
    x = 43,663,490.49/7,217.54
  6. Step 6: Final answer
    x = 6,049.64

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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.