Home / 7,217.80-9,961.23-4,530.94

Finding the Fourth Proportional to 7,217.80, 9,961.23 and 4,530.94

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Solution

The fourth proportional to 7,217.80, 9,961.23 and 4,530.94 is: 6,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.80 : 9,961.23 = 4,530.94 : x
  2. Step 2: Convert to fraction form
    7,217.80/9,961.23 = 4,530.94/x
  3. Step 3: Cross multiply
    7,217.80x = 9,961.23 × 4,530.94
  4. Step 4: Simplify right side
    7,217.80x = 45,133,735.46
  5. Step 5: Solve for x
    x = 45,133,735.46/7,217.80
  6. Step 6: Final answer
    x = 6,253.12

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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.