Home / 7,199.45-9,935.15-4,216.83

Finding the Fourth Proportional to 7,199.45, 9,935.15 and 4,216.83

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Solution

The fourth proportional to 7,199.45, 9,935.15 and 4,216.83 is: 5,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.45 : 9,935.15 = 4,216.83 : x
  2. Step 2: Convert to fraction form
    7,199.45/9,935.15 = 4,216.83/x
  3. Step 3: Cross multiply
    7,199.45x = 9,935.15 × 4,216.83
  4. Step 4: Simplify right side
    7,199.45x = 41,894,817.49
  5. Step 5: Solve for x
    x = 41,894,817.49/7,199.45
  6. Step 6: Final answer
    x = 5,819.17

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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.