Home / 7,960.84-10,986.42-4,423.96

Finding the Fourth Proportional to 7,960.84, 10,986.42 and 4,423.96

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Solution

The fourth proportional to 7,960.84, 10,986.42 and 4,423.96 is: 6,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.84 : 10,986.42 = 4,423.96 : x
  2. Step 2: Convert to fraction form
    7,960.84/10,986.42 = 4,423.96/x
  3. Step 3: Cross multiply
    7,960.84x = 10,986.42 × 4,423.96
  4. Step 4: Simplify right side
    7,960.84x = 48,603,482.62
  5. Step 5: Solve for x
    x = 48,603,482.62/7,960.84
  6. Step 6: Final answer
    x = 6,105.32

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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.