Home / 7,706.49-11,550.33-4,188.12

Finding the Fourth Proportional to 7,706.49, 11,550.33 and 4,188.12

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Solution

The fourth proportional to 7,706.49, 11,550.33 and 4,188.12 is: 6,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.49 : 11,550.33 = 4,188.12 : x
  2. Step 2: Convert to fraction form
    7,706.49/11,550.33 = 4,188.12/x
  3. Step 3: Cross multiply
    7,706.49x = 11,550.33 × 4,188.12
  4. Step 4: Simplify right side
    7,706.49x = 48,374,168.08
  5. Step 5: Solve for x
    x = 48,374,168.08/7,706.49
  6. Step 6: Final answer
    x = 6,277.07

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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.