Home / 7,002.18-10,500.30-2,616.57

Finding the Fourth Proportional to 7,002.18, 10,500.30 and 2,616.57

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Solution

The fourth proportional to 7,002.18, 10,500.30 and 2,616.57 is: 3,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.18 : 10,500.30 = 2,616.57 : x
  2. Step 2: Convert to fraction form
    7,002.18/10,500.30 = 2,616.57/x
  3. Step 3: Cross multiply
    7,002.18x = 10,500.30 × 2,616.57
  4. Step 4: Simplify right side
    7,002.18x = 27,474,769.97
  5. Step 5: Solve for x
    x = 27,474,769.97/7,002.18
  6. Step 6: Final answer
    x = 3,923.75

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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.