Home / 7,428.67-10,253.01-4,910.92

Finding the Fourth Proportional to 7,428.67, 10,253.01 and 4,910.92

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Solution

The fourth proportional to 7,428.67, 10,253.01 and 4,910.92 is: 6,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.67 : 10,253.01 = 4,910.92 : x
  2. Step 2: Convert to fraction form
    7,428.67/10,253.01 = 4,910.92/x
  3. Step 3: Cross multiply
    7,428.67x = 10,253.01 × 4,910.92
  4. Step 4: Simplify right side
    7,428.67x = 50,351,711.87
  5. Step 5: Solve for x
    x = 50,351,711.87/7,428.67
  6. Step 6: Final answer
    x = 6,778.03

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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.