Home / 6,416.28-9,620.10-3,292.38

Finding the Fourth Proportional to 6,416.28, 9,620.10 and 3,292.38

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Solution

The fourth proportional to 6,416.28, 9,620.10 and 3,292.38 is: 4,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.28 : 9,620.10 = 3,292.38 : x
  2. Step 2: Convert to fraction form
    6,416.28/9,620.10 = 3,292.38/x
  3. Step 3: Cross multiply
    6,416.28x = 9,620.10 × 3,292.38
  4. Step 4: Simplify right side
    6,416.28x = 31,673,024.84
  5. Step 5: Solve for x
    x = 31,673,024.84/6,416.28
  6. Step 6: Final answer
    x = 4,936.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.